Quick Connect Couplings

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Industrial Interchange Air Couplers
Industrial Interchange Air Couplers
Industrial Interchange Air Couplers provide reliable pneumatic connections using the standard Industrial Interchange design. With a 3/8" body size, they handle air volumes up to approximately 67 SCFM, ideal for high-demand applications. Constructed from zinc-plated steel for corrosion resistance and durability, they ensure long service life. Suitable for MRO environments, they fit standard NPT pipe threads. For optimal performance, ensure compatibility with matching Industrial Interchange nipples and clean threads before installation.
Body Size: 1/4"

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1/4"-18 Internal NPT 300 P.S.I. Steel 2 52897 Log in to view price
1/4"-18 Internal NPT 300 P.S.I. Brass 2 52937 Log in to view price
3/8"-18 Internal NPT 300 P.S.I. Brass 2 52922 Log in to view price
Body Size: 3/8"

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1/4"-18 Internal NPT 300 P.S.I. Steel 1 52944 Log in to view price
3/8"-18 Internal NPT 300 P.S.I. Steel 1 52940 Log in to view price
1/2"-14 Internal NPT 300 P.S.I. Steel 1 52947 Log in to view price
Body Size: 1/2"

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3/8"-18 Internal NPT 300 P.S.I. Steel 1 52951 Log in to view price
1/2"-14 Internal NPT 300 P.S.I. Steel 1 52952 Log in to view price
Industrial Interchange Air Couplers with Drag Guard
Industrial Interchange Air Couplers with Drag Guard
Standard "Industrial Interchange" Design. 1/4" Body for air handling capacity, handling volumes up to approximately 40 SCFM. Standard NPT pipe thread. Zinc plated steel construction for corrosion resistance and long service life.
Body Size: 1/4"

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1/4"-18 Internal NPT 300 P.S.I. Steel 2 52936 Log in to view price
Industrial Interchange Hi Flow Push-Button Air Couplers
Industrial Interchange Hi Flow Push-Button Air Couplers
Industrial Interchange Hi Flow Push-Button Air Couplers deliver up to twice the air volume of standard 1/4" couplers, enhancing tool performance. The durable, impact-resistant composite body resists abrasion and reduces the risk of scratching surfaces. Lightweight and easy to use, the push-button design allows one-handed connect and disconnect. Ideal for MRO applications requiring high airflow, they ensure leak-free operation. For best results, use with hi-flow nipples and inspect regularly for wear.
Body Size: 1/4"

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1/4"-18 External NPT Composite 1 52785 Log in to view price
1/4"-18 Internal NPT Composite 1 52784 Log in to view price
Industrial Interchange High Flow Air Couplers
Industrial Interchange High Flow Air Couplers
Industrial Interchange High Flow Air Couplers deliver nearly twice the air flow of standard couplers, enhancing tool efficiency and power. The push-to-connect design allows easy one-hand operation, while the multiple ball locking mechanism permits swiveling to reduce hose torque. Constructed from case-hardened steel plated for corrosion resistance, they are durable for MRO applications. The knurled drag guard prevents accidental disconnects. Rated up to 300 PSI, they are ideal for high-demand pneumatic systems.
Body Size: 1/4"

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1/4"-18 External NPT 300 P.S.I. Brass 1 521326 Log in to view price
1/4"-18 Internal NPT 300 P.S.I. Brass 1 521325 Log in to view price
Industrial Interchange Kim-Flo Composite Couplers
Industrial Interchange Kim-Flo Composite Couplers
Industrial Interchange Kim-Flo Composite Couplers offer quick and easy connections under pressure with a push-in automatic design. The durable composite body resists abrasion and impact, while lightweight construction reduces user fatigue. Increased surface contact provides longer service life for both coupler and nipple. Ideal for MRO applications requiring efficient and reliable connections. For best results, ensure hoses and nipples are compatible and connections are clean before use.
Body Size: 1/4"

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1/4"-18 External NPT Composite 1 523681 Log in to view price
1/4"-18 Internal NPT Composite 1 523680 Log in to view price
3/8"-18 External NPT Composite 1 523683 Log in to view price
3/8"-18 Internal NPT Composite 1 523682 Log in to view price
Body Size: 3/8"

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3/8"-18 External NPT Composite 1 523685 Log in to view price
3/8"-18 Internal NPT Composite 1 523684 Log in to view price
1/2"-14 External NPT Composite 1 523687 Log in to view price
1/2"-14 Internal NPT Composite 1 523686 Log in to view price
Industrial Interchange Kim-Flo Safety Couplers
Industrial Interchange Kim-Flo Safety Couplers
Industrial Interchange Kim-Flo Safety Couplers provide quick and easy connections under pressure with their push-in automatic design. The safety feature releases pressurized air during disconnection, eliminating hose-whip dangers. Durable composite bodies resist abrasion and impact, while lightweight construction reduces user fatigue. Ideal for MRO environments where safety and efficiency are essential. To disconnect, pull the collar back to depressurize, then push forward to release the connection.
Body Size: 1/4"

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1/4"-18 External NPT Composite 1 523689 Log in to view price
1/4"-18 Internal NPT Composite 1 523688 Log in to view price
3/8"-18 Internal NPT Composite 1 523690 Log in to view price
Body Size: 3/8"

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3/8"-18 Internal NPT Composite 1 523692 Log in to view price
Body Size: 1/2"

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1/2"-14 External NPT Composite 1 523695 Log in to view price
1/2"-14 Internal NPT Composite 1 523694 Log in to view price
Industrial Interchange Parker® 4 Ball High Flow Air Couplers
Industrial Interchange Parker® 4 Ball High Flow Air Couplers
Industrial Interchange Parker® 4 Ball High Flow Air Couplers provide enhanced reliability and air flow in pneumatic systems. Featuring a 4-ball locking mechanism, they ensure secure connections and extended service life over 3-ball designs. The tubular valve design minimizes pressure drop, while precision Nitrile seals prevent leaks. A sleeve guard prevents accidental disconnects, enhancing safety. Ideal for MRO applications requiring consistent, high-volume air flow. Regular inspection of seals is recommended for optimal performance.
Body Size: 1/4"

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1/4"-18 External NPT 300 P.S.I. Brass 1 52598 Log in to view price
1/4"-18 Internal NPT 300 P.S.I. Brass 1 52594 Log in to view price
Industrial Interchange Pin Lock Air Couplers
Industrial Interchange Pin Lock Air Couplers
Industrial Interchange Pin Lock Air Couplers offer reliable, easy connections with their automatic push-to-connect design. Made entirely of brass, including the socket body and sleeve, they provide durability and corrosion resistance. The 360° swivel feature prevents hose kinking, enhancing tool maneuverability. Compatible with standard Industrial Interchange nipples, they ensure secure connections in MRO applications. Ideal for setups requiring frequent tool changes. For best performance, regularly inspect the coupler for wear and maintain clean connections.
Body Size: 1/4"

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1/4"-18 External NPT 300 P.S.I. Brass 1 52421 Log in to view price
1/4"-18 Internal NPT 300 P.S.I. Brass 1 52321 Log in to view price
Body Size: 3/8"

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1/4"-18 External NPT 300 P.S.I. Brass 1 52422 Log in to view price
1/4"-18 Internal NPT 300 P.S.I. Brass 1 52322 Log in to view price
3/8"-18 Internal NPT 300 P.S.I. Brass 1 52323 Log in to view price
1/2"-14 Internal NPT 300 P.S.I. Brass 1 52328 Log in to view price
Body Size: 1/2"

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3/8"-18 Internal NPT 300 P.S.I. Brass 1 52324 Log in to view price
1/2"-14 External NPT 300 P.S.I. Brass 1 52425 Log in to view price
1/2"-14 Internal NPT 300 P.S.I. Brass 1 52325 Log in to view price
Body Size: 3/4"

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3/4"-14 Internal NPT 300 P.S.I. Brass 1 52326 Log in to view price
Industrial Interchange Push-Button Air Couplers
Industrial Interchange Push-Button Air Couplers
Industrial Interchange Push-Button Air Couplers offer effortless one-hand connect and disconnect with a push-button design. The recessed side button enhances safety by preventing accidental disconnections, and the non-scratching exterior protects finished surfaces. Lightweight and durable, they are half the weight of metal couplers and provide a longer service life. The leak-free design reduces compressor run times, saving on operating costs. Ideal for MRO applications requiring efficiency and safety.
Body Size: 1/4"

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1/4"-18 External NPT 175 P.S.I. Composite 1 52775 Log in to view price
1/4"-18 Internal NPT 175 P.S.I. Composite 1 52774 Log in to view price
3/8"-18 External NPT 175 P.S.I. Composite 1 52778 Log in to view price
3/8"-18 Internal NPT 175 P.S.I. Composite 1 52777 Log in to view price
Body Size: 3/8"

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1/4"-18 Internal NPT 175 P.S.I. Composite 1 52780 Log in to view price
3/8"-18 External NPT 175 P.S.I. Composite 1 52783 Log in to view price
3/8"-18 Internal NPT 175 P.S.I. Composite 1 52782 Log in to view price
Industrial Interchange Push-Button Air Line Safety Couplers
Industrial Interchange Push-Button Air Line Safety Couplers
Industrial Interchange Push-Button Air Line Safety Couplers enhance workplace safety by automatically venting air before disconnecting, eliminating hose-whip hazards. With a simple push-button operation, they offer quick, one-handed disconnection without manipulating sleeves. The impact-resistant composite body reduces the risk of scratching surfaces and provides an ergonomic, non-slip grip. Ideal for MRO applications prioritizing safety and efficiency. For optimal use, ensure couplers are securely connected and periodically inspect for wear.
Body Size: 1/4"

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1/4"-18 External NPT 174 P.S.I. Composite 1 52572 Log in to view price
1/4"-18 Internal NPT 174 P.S.I. Composite 1 52571 Log in to view price
3/8"-18 Internal NPT 174 P.S.I. Composite 1 52573 Log in to view price
1/2"-14 Internal NPT 174 P.S.I. Composite 1 52574 Log in to view price
Body Size: 3/8"

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3/8"-18 Internal NPT 174 P.S.I. Composite 1 52579 Log in to view price
Body Size: 1/2"

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3/8"-18 Internal NPT 174 P.S.I. Composite 1 52581 Log in to view price
1/2"-14 Internal NPT 174 P.S.I. Composite 1 52582 Log in to view price
Industrial Interchange Parker Push-Lok® Style Air Couplers
Industrial Interchange Parker Push-Lok® Style Air Couplers
Ideal for quick hose connections in shop air systems, Industrial Interchange Parker Push-Lok® Style Air Couplers provide fast, secure attachment without clamps or crimping. Simply push the compatible hose onto the coupler for a reliable grip. Compatible with Flex-Loc, Parker Push-Lok®, H100, H101, and H201 hose series, they streamline maintenance in industrial and automotive applications. For best results, ensure hose ends are cleanly cut before attachment.
Body Size: 1/4"

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1/4" 300 P.S.I. Brass 1 52837 Log in to view price
3/8" 300 P.S.I. Brass 1 52838 Log in to view price
Body Size: 3/8"

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3/8" 300 P.S.I. Brass 1 52839 Log in to view price
Body Size: 1/2"

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1/2" 300 P.S.I. Steel 1 52970 Log in to view price
Industrial Interchange Parker Push-Lok® Style Nipples
Industrial Interchange Parker Push-Lok® Style Nipples
Industrial Interchange Parker Push-Lok® Style Nipples offer quick hose connections without the need for clamps or crimping. Simply push the compatible hose onto the nipple for a secure grip. Ideal for shop air systems and general industrial applications, they are compatible with Flex-Loc, Parker Push-Lok®, H100, H101, and H201 hose series. Streamline your maintenance tasks with these easy-to-use nipples. For best results, ensure the hose end is cleanly cut before attachment.
Body Size: 1/4"

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1/4" Push-Lok Hose Barb 300 P.S.I. Steel 5 52912 Log in to view price
3/8" Push-Lok Hose Barb 300 P.S.I. Steel 5 52913 Log in to view price
Body Size: 3/8"

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3/8" Push-Lok Hose Barb 300 P.S.I. Steel 2 52967 Log in to view price
Body Size: 1/2"

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1/2" Push-Lok Hose Barb 300 P.S.I. Steel 1 52969 Log in to view price
Industrial Interchange Female Nipples
Industrial Interchange Female Nipples
Designed for reliable connections in shop and automotive settings, Industrial Interchange Female Nipples have a 1/4" body size handling up to 40 SCFM. Available in zinc-plated steel or non-corroding brass for durability. Compatible with standard NPT threads and suitable for connecting and disconnecting under normal air pressure.
Body Size: 1/4"

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1/8"-27 Internal NPT 300 P.S.I. Steel 5 52908 Log in to view price
1/4"-18 Internal NPT 300 P.S.I. Steel 5 52911 Log in to view price
1/4"-18 Internal NPT 300 P.S.I. Brass 5 52911B Log in to view price
3/8"-18 Internal NPT 300 P.S.I. Steel 5 52925 Log in to view price
Body Size: 3/8"

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1/4"-18 Internal NPT 300 P.S.I. Steel 5 52946 Log in to view price
3/8"-18 Internal NPT 300 P.S.I. Steel 5 52943 Log in to view price
Body Size: 1/2"

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1/2"-14 Internal NPT 300 P.S.I. Steel 2 52977 Log in to view price
Industrial Interchange Male Nipples
Industrial Interchange Male Nipples
Industrial Interchange Male Nipples provide reliable connections in pneumatic systems using the standard Industrial Interchange design. Made from zinc-plated steel for increased corrosion resistance and long service life, they handle air volumes up to approximately 67 SCFM. Ideal for shop and automotive applications, these nipples ensure consistent performance. For optimal results, pair with compatible couplers and ensure threads are clean before installation.
Body Size: 1/4"

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1/8"-27 External NPT 300 P.S.I. Steel 5 52909 Log in to view price
1/4"-18 External NPT 300 P.S.I. Steel 5 52910 Log in to view price
1/4"-18 External NPT 300 P.S.I. Brass 5 52910B Log in to view price
3/8"-18 External NPT 300 P.S.I. Steel 5 52924 Log in to view price
Body Size: 3/8"

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1/4"-18 External NPT 300 P.S.I. Steel 5 52945 Log in to view price
3/8"-18 External NPT 300 P.S.I. Steel 5 52942 Log in to view price
1/2"-14 External NPT 300 P.S.I. Steel 5 52948 Log in to view price
Body Size: 1/2"

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3/8"-18 External NPT 300 P.S.I. Steel 2 52896 Log in to view price
1/2"-14 External NPT 300 P.S.I. Steel 2 52976 Log in to view price
Industrial Interchange Hi Flow Female Nipples
Industrial Interchange Hi Flow Female Nipples
Industrial Interchange Hi Flow Female Nipples boost tool efficiency by increasing air flow and reducing pressure drop. They offer nearly twice the flow area compared to standard nipples, rated at 74 SCFM. Made from case-hardened steel plated for corrosion resistance, with a multiple ball locking mechanism for swivel action. Use with Hi Flow couplers for optimal performance; maximum operating pressure is 300 PSI.
Body Size: 1/4"

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1/4"-18 Internal NPT 300 P.S.I. Case Hardened Steel 2 521328 Log in to view price
1/4"-18 Internal NPT 300 P.S.I. Brass 2 521328B Log in to view price
Industrial Interchange Hi Flow Male Nipples
Industrial Interchange Hi Flow Male Nipples
Industrial Interchange Hi Flow Male Nipples are designed to increase air flow and reduce pressure drop, enhancing tool efficiency and power. With nearly twice the flow area of standard nipples, they are rated at 74 SCFM. Constructed from case-hardened steel plated for corrosion resistance, they offer durability in demanding MRO environments. Ideal for high-volume air applications, use with Hi Flow couplers for optimal performance. Ensure threads are clean before installation.
Body Size: 1/4"

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1/4"-18 External NPT 300 P.S.I. Case Hardened Steel 2 521327 Log in to view price
1/4"-18 External NPT 300 P.S.I. Brass 2 521327B Log in to view price
Brass Industrial Interchange Female Nipples
Brass Industrial Interchange Female Nipples
Brass Industrial Interchange Female Nipples provide reliable connections with their all-brass construction, offering excellent corrosion resistance. The automatic push-to-connect design and 360° swivel feature prevent hose kinking and simplify tool changes. Compatible with standard Industrial Interchange nipples, they are ideal for MRO applications where durability and ease of use are essential. For best results, regularly inspect for wear and maintain clean connections.
Body Size: 3/8"

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3/8"-18 Internal NPT 300 P.S.I. Brass 1 52333 Log in to view price
Brass Industrial Interchange Male Nipples
Brass Industrial Interchange Male Nipples
Brass Industrial Interchange Male Nipples offer reliable connections with Pin-Lock quick connect design. Constructed with an all-brass body and sleeve, they provide excellent corrosion resistance. The easy, automatic push-to-connect feature and 360° swivel prevent hose kinking, enhancing tool performance. Compatible with standard Industrial Interchange steel or brass nipples, they are ideal for MRO applications requiring durability and ease of use. For optimal performance, ensure clean connections and regular inspection.
Body Size: 3/8"

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1/4"-18 External NPT 300 P.S.I. Brass 1 52432 Log in to view price
3/8"-18 External NPT 300 P.S.I. Brass 1 52433 Log in to view price
Body Size: 1/2"

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3/8"-18 External NPT 300 P.S.I. Brass 1 52434 Log in to view price
1/2"-14 External NPT 300 P.S.I. Brass 1 52435 Log in to view price
Stainless Steel Industrial Interchange Air Couplers
Stainless Steel Industrial Interchange Air Couplers
Designed for high-corrosion environments and the food service industry, these Stainless Steel Industrial Interchange Air Couplers offer superior durability with 302/303 stainless steel construction. Featuring FDA-approved Buna-N seals in 1/4" body sizes, they handle pressures up to 300 PSI. Compliant with A-A59439 standards, they ensure reliable performance. For optimal use, integrate into systems requiring high corrosion resistance and regular washdowns. Made in the USA for assured quality.
Body Size: 1/4"

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1/4"-18 External NPT 300 P.S.I. 302/303 Stainless Steel 1 52798 Log in to view price
1/4"-18 Internal NPT 300 P.S.I. 302/303 Stainless Steel 1 52797 Log in to view price
3/8"-18 External NPT 300 P.S.I. 302/303 Stainless Steel 1 52707 Log in to view price
3/8"-18 Internal NPT 300 P.S.I. 302/303 Stainless Steel 1 52706 Log in to view price
Body Size: 3/8"

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1/4"-18 External NPT 300 P.S.I. 302/303 Stainless Steel 1 52711 Log in to view price
1/4"-18 Internal NPT 300 P.S.I. 302/303 Stainless Steel 1 52710 Log in to view price
3/8"-18 External NPT 300 P.S.I. 302/303 Stainless Steel 1 52721 Log in to view price
3/8"-18 Internal NPT 300 P.S.I. 302/303 Stainless Steel 1 52720 Log in to view price
Stainless Steel Industrial Interchange Female Nipples
Stainless Steel Industrial Interchange Female Nipples
Ideal for high-corrosion environments and food service applications, these Stainless Steel Industrial Interchange Female Nipples offer exceptional durability with 302/303 stainless steel construction. Featuring FDA-approved Buna-N seals in 1/4" body sizes, they handle pressures up to 300 PSI. Compliant with A-A59439 standards, they ensure reliable, sanitary performance. Made in the USA, perfect for systems requiring corrosion resistance. For optimal use, pair with compatible stainless steel couplers.
Body Size: 1/4"

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1/4"-18 Internal NPT 300 P.S.I. 302/303 Stainless Steel 1 52791 Log in to view price
3/8"-18 Internal NPT 300 P.S.I. 302/303 Stainless Steel 1 52709 Log in to view price
Body Size: 3/8"

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1/4"-18 Internal NPT 300 P.S.I. 302/303 Stainless Steel 1 52713 Log in to view price
3/8"-18 Internal NPT 300 P.S.I. 302/303 Stainless Steel 1 52723 Log in to view price
Stainless Steel Industrial Interchange Male Nipples
Stainless Steel Industrial Interchange Male Nipples
Perfect for high-corrosion environments like food service, these Stainless Steel Industrial Interchange Male Nipples feature 302/303 stainless steel for superior durability. With FDA-approved Buna-N seals in 1/4" body sizes, they handle up to 300 PSI. Compliant with A-A59439 standards, they offer reliable performance. Made in the USA, ideal for corrosion-resistant and sanitary systems. Pair with compatible stainless steel couplers for best results.
Body Size: 1/4"

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1/8"-27 External NPT 300 P.S.I. 302/303 Stainless Steel 1 52789 Log in to view price
1/4"-18 External NPT 300 P.S.I. 302/303 Stainless Steel 1 52790 Log in to view price
3/8"-18 External NPT 300 P.S.I. 302/303 Stainless Steel 1 52708 Log in to view price
Body Size: 3/8"

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1/4"-18 External NPT 300 P.S.I. 302/303 Stainless Steel 1 52712 Log in to view price
3/8"-18 External NPT 300 P.S.I. 302/303 Stainless Steel 1 52722 Log in to view price
Heavy-Duty Industrial Interchange Male Nipples
Heavy-Duty Industrial Interchange Male Nipples
Engineered for rigorous pneumatic applications, the Heavy-Duty Industrial Interchange Male Nipples are manufactured from nitrated steel for superior durability and corrosion resistance. Their leak-free design reduces compressor run times and operating costs. Compatible with push-button and heavy-duty air-line couplers, they handle pressures up to 230 PSI. Ideal for MRO environments where reliability is paramount. To extend service life, keep nipple surfaces clean and free from contaminants.
Body Size: 1/4"

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1/4"-18 External NPT 230 P.S.I. Nitrited Steel 5 521275 Log in to view price
3/8"-18 External NPT 230 P.S.I. Nitrited Steel 5 521277 Log in to view price
Body Size: 3/8"

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1/4"-18 External NPT 230 P.S.I. Nitrited Steel 5 521279 Log in to view price
3/8"-18 External NPT 230 P.S.I. Nitrited Steel 5 521281 Log in to view price
Body Size: 1/2"

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1/2"-14 External NPT 230 P.S.I. Nitrited Steel 2 521283 Log in to view price
Heavy-Duty Industrial Interchange Female Nipples
Heavy-Duty Industrial Interchange Female Nipples
Designed for heavy-duty pneumatic applications, the Heavy-Duty Industrial Interchange Female Nipples are crafted from nitrated steel for superior durability and corrosion resistance. Their leak-free design ensures efficient air flow, reducing energy costs and downtime. Compatible with push-button and other heavy-duty air-line couplers, they handle pressures up to 230 PSI. Ideal for MRO environments where dependable air connections are critical. Maintain clean threads to prolong service life and ensure optimal performance.
Body Size: 1/4"

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1/4"-18 Internal NPT 230 P.S.I. Nitrited Steel 5 521276 Log in to view price
3/8"-18 Internal NPT 230 P.S.I. Nitrited Steel 5 521278 Log in to view price
Body Size: 3/8"

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1/4"-18 Internal NPT 230 P.S.I. Nitrited Steel 5 521280 Log in to view price
3/8"-18 Internal NPT 230 P.S.I. Nitrited Steel 5 521282 Log in to view price
Body Size: 1/2"

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1/2"-14 Internal NPT 230 P.S.I. Nitrited Steel 2 521284 Log in to view price
Tru-Flate Air Couplers
Tru-Flate Air Couplers
Tru-Flate Air Couplers with a 3/8" body size are designed for high-volume pneumatic applications, handling air flows up to 67 SCFM. The Tru-Flate Interchange Design ensures compatibility with standard nipples, providing reliable connections. Constructed from zinc-plated steel, these couplers offer enhanced corrosion resistance and durability for extended service life. Ideal for MRO settings requiring efficient air delivery. For best results, use with matching Tru-Flate nipples and maintain clean connections.
Body Size: 1/4"

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1/4"-18 Internal NPT 300 P.S.I. Steel 2 52926 Log in to view price
3/8"-18 Internal NPT 300 P.S.I. Steel 2 52963 Log in to view price
Body Size: 3/8"

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1/4"-18 Internal NPT 300 P.S.I. Steel 1 52980 Log in to view price
3/8"-18 Internal NPT 300 P.S.I. Steel 1 52956 Log in to view price
Tru-Flate Push-Button Air Couplers
Tru-Flate Push-Button Air Couplers
Designed for easy one-hand operation, the Tru-Flate Push-Button Air Couplers allow quick connect and disconnect in pneumatic systems. With a recessed push-button, they enhance safety by preventing accidental disconnections. Their lightweight, non-scratching exterior protects surfaces, and the leak-free design reduces compressor run times. Ideal for MRO applications requiring frequent tool changes, these couplers ensure long-lasting performance with minimal air leaks. For optimal use, connect to clean, dry air lines.
Body Size: 1/4"

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1/4"-18 External NPT 175 P.S.I. Composite 1 52335 Log in to view price
1/4"-18 Internal NPT 175 P.S.I. Composite 1 52334 Log in to view price
3/8"-18 Internal NPT 175 P.S.I. Composite 1 52336 Log in to view price
Body Size: 3/8"

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1/4"-18 Internal NPT 175 P.S.I. Composite 1 52337 Log in to view price
3/8"-18 Internal NPT 175 P.S.I. Composite 1 52338 Log in to view price
Tru-Flate Push-Button Safety Couplers
Tru-Flate Push-Button Safety Couplers
Tru-Flate Push-Button Safety Couplers enhance safety by venting air before disconnecting, eliminating hose-whip hazards. With a simple push-button operation, they allow quick, one-handed disconnection without manipulating sleeves. The impact-resistant composite body reduces the risk of scratching surfaces and provides an ergonomic, non-slip grip. Ideal for MRO applications prioritizing safety and efficiency. For optimal use, ensure couplers are securely connected and periodically inspect for wear.
Body Size: 1/4"

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1/4"-18 Internal NPT 174 P.S.I. Composite 1 52329 Log in to view price
Body Size: 3/8"

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3/8"-18 Internal NPT 174 P.S.I. Composite 1 52331 Log in to view price
Body Size: 1/2"

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3/8"-18 Internal NPT 174 P.S.I. Composite 1 52583 Log in to view price
1/2"-14 Internal NPT 174 P.S.I. Composite 1 52584 Log in to view price
Tru-Flate Color-Coded Air Couplers
Tru-Flate Color-Coded Air Couplers
Tru-Flate Color-Coded Air Couplers simplify pneumatic connections with their easy-to-identify color-coded design. Made of steel with a color-coded aluminum sleeve, they are tough and corrosion-resistant. Matching colors between couplers and nipples eliminate misconnects and prevent contamination or tool damage. Ideal for distinguishing between lubricated and dry air lines in MRO settings. Use with corresponding color-coded nipples for fast, reliable connections.
Body Size: 1/4"

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1/4"-18 External NPT Carbon Steel 1 521317 Log in to view price
Item Number: 521317
Package Weight: 0.2 lbs
Tru-Flate Kim-Flo Composite Couplers
Tru-Flate Kim-Flo Composite Couplers
Tru-Flate Kim-Flo Composite Couplers offer fast, easy connections with their push-in automatic design. Composite retention tabs increase contact area for longer service life, while the durable, lightweight composite body resists abrasion and impact without marring surfaces. The anti-static design reduces dust attraction, prolonging internal components' life. Ideal for MRO applications where quick, reliable connections are essential. For optimal performance, ensure hoses are compatible and connections are clean before use.
Body Size: 1/4"

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1/4"-18 External NPT Composite 1 523671 Log in to view price
1/4"-18 Internal NPT Composite 1 523670 Log in to view price
3/8"-18 External NPT Composite 1 523673 Log in to view price
3/8"-18 Internal NPT Composite 1 523672 Log in to view price
Tru-Flate Kim-Flo Safety Couplers
Tru-Flate Kim-Flo Safety Couplers
Tru-Flate Kim-Flo Safety Couplers offer quick, safe connections under pressure with their push-in automatic design. The safety feature releases pressurized air during disconnection, eliminating hose-whip dangers. The durable composite body resists abrasion and impact, while the lightweight design reduces user fatigue. Ideal for MRO environments where safety and efficiency are essential. To disconnect, pull the collar back to depressurize, then push forward to release the connection.
Body Size: 1/4"

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1/4"-18 External NPT Composite 1 523678 Log in to view price
1/4"-18 Internal NPT Composite 1 523674 Log in to view price
3/8"-18 External NPT Composite 1 523677 Log in to view price
3/8"-18 Internal NPT Composite 1 523676 Log in to view price
Tru-Flate Color-Coded Female Nipples
Tru-Flate Color-Coded Female Nipples
Tru-Flate Color-Coded Female Nipples simplify pneumatic connections with easy-to-identify color coding. Made from heat-treated aircraft aluminum for toughness and corrosion resistance, they prevent misconnects and tool damage. Match the color-coded nipple with the corresponding coupler for reliable, contamination-free connections. Ideal for distinguishing between lubricated and dry air lines, they enhance efficiency in busy MRO environments. For best results, use with matching color-coded couplers.
Body Size: 1/4"

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1/4"-18 Internal NPT Aluminum 5 521319 Log in to view price
Tru-Flate Parker® 4 Ball High Flow Air Couplers
Tru-Flate Parker® 4 Ball High Flow Air Couplers
Tru-Flate Parker® 4 Ball High Flow Air Couplers are designed for enhanced reliability and performance in pneumatic systems. Featuring a 4-ball locking mechanism, they provide a secure connection with longer service life. The tubular valve ensures high air flow with minimal pressure drop, while precision Nitrile seals prevent leaks. The sleeve guard adds safety by preventing accidental disconnects. Ideal for high-demand MRO applications, these couplers maintain consistent air flow. For best results, regularly inspect seals for wear.
Body Size: 1/4"

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1/4"-18 Internal NPT 300 P.S.I. Brass 1 52595 Log in to view price
Tru-Flate Parker Push-Lok® Style Air Couplers
Tru-Flate Parker Push-Lok® Style Air Couplers
Tru-Flate Parker Push-Lok® Style Air Couplers offer fast and effortless hose connections without the need for clamps, ferrules, or crimping. Simply push the compatible hose onto the coupler for a secure grip. Ideal for shop air systems and general industrial applications, they are compatible with Flex-Loc, Parker Push-Lok®, H100, H101, and H201 hose series. For optimal performance, ensure the hose end is cleanly cut before attachment. These couplers streamline setup and maintenance in MRO settings.
Body Size: 1/4"

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1/4" 300 P.S.I. Brass 1 52835 Log in to view price
3/8" 300 P.S.I. Brass 1 52836 Log in to view price
Tru-Flate Parker Push-Lok® Style Nipples
Tru-Flate Parker Push-Lok® Style Nipples
Tru-Flate Parker Push-Lok® Style Nipples enable quick and secure hose connections without the need for ferrules, crimping, or clamps. Simply push the hose onto the nipple for a tight fit. Ideal for shop air systems and general MRO applications, these nipples save time during setup and maintenance. Compatible with Flex-Loc, Parker Push-Lok®, H100, H101, and H201 hose series. For optimal sealing, ensure hose ends are cut cleanly before installation.
Body Size: 1/4"

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1/4" 300 P.S.I. Steel 2 52833 Log in to view price
3/8" 300 P.S.I. Steel 2 52834 Log in to view price
Tru-Flate Female Nipples
Tru-Flate Female Nipples
Tru-Flate Female Nipples ensure reliable pneumatic connections using the standard Tru-Flate design. Made from zinc-plated steel for corrosion resistance and long service life, they handle air volumes up to approximately 67 SCFM. Ideal for shop and automotive applications, these nipples provide consistent performance. For optimal results, pair with Tru-Flate couplers and keep threads clean before connecting.
Body Size: 1/4"

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1/4"-18 Internal NPT 300 P.S.I. Steel 5 52929 Log in to view price
1/4"-18 Internal NPT 300 P.S.I. Brass 5 52929B Log in to view price
3/8"-18 Internal NPT 300 P.S.I. Steel 2 52964 Log in to view price
Body Size: 3/8"

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1/4"-18 Internal NPT 300 P.S.I. Steel 2 52982 Log in to view price
3/8"-18 Internal NPT 300 P.S.I. Steel 2 52958 Log in to view price
Body Size: 1/2"

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3/8"-18 Internal NPT 300 P.S.I. Steel 2 52893 Log in to view price
1/2"-14 Internal NPT 300 P.S.I. Steel 2 52955 Log in to view price
Tru-Flate Male Nipples
Tru-Flate Male Nipples
Tru-Flate Male Nipples provide reliable connections in pneumatic systems using the standard Tru-Flate design. Made from zinc-plated steel for increased corrosion resistance and long service life, they handle air volumes up to approximately 67 SCFM. Ideal for shop and automotive applications, these nipples ensure consistent performance. For optimal results, pair with Tru-Flate couplers and ensure threads are clean and free of debris before installation.
Body Size: 1/4"

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1/4"-18 External NPT 300 P.S.I. Steel 5 52928 Log in to view price
1/4"-18 External NPT 300 P.S.I. Brass 5 52928B Log in to view price
3/8"-18 External NPT 300 P.S.I. Steel 2 52965 Log in to view price
Body Size: 3/8"

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1/4"-18 External NPT 300 P.S.I. Steel 2 52981 Log in to view price
3/8"-18 External NPT 300 P.S.I. Steel 2 52957 Log in to view price
Body Size: 1/2"

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3/8"-18 External NPT 300 P.S.I. Steel 2 52892 Log in to view price
1/2"-14 External NPT 300 P.S.I. Steel 2 52954 Log in to view price
Heavy-Duty Tru-Flate Female Nipples
Heavy-Duty Tru-Flate Female Nipples
Designed for demanding pneumatic tasks, Heavy-Duty Tru-Flate Female Nipples are made from nitrated steel for superior durability and corrosion resistance. Their leak-free design ensures efficient air flow, reducing energy costs and downtime. Compatible with push-button and heavy-duty air-line couplers, they handle pressures up to 230 PSI. Ideal for MRO environments where dependable air connections are critical. Maintain clean threads to prolong service life and ensure optimal performance.
Body Size: 1/4"

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1/4"-18 Internal NPT 230 P.S.I. Nitrited Steel 5 521288 Log in to view price
Body Size: 3/8"

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1/4"-18 Internal NPT 230 P.S.I. Nitrited Steel 2 521290 Log in to view price
3/8"-18 Internal NPT 230 P.S.I. Nitrited Steel 2 521292 Log in to view price
Heavy-Duty Tru-Flate Male Nipples
Heavy-Duty Tru-Flate Male Nipples
Heavy-Duty Tru-Flate Male Nipples are crafted from nitrated steel for exceptional toughness and corrosion resistance. Their precision construction ensures leak-free performance, reducing downtime and maintenance costs. Designed to work seamlessly with push-button and other heavy-duty air-line couplers, they handle pressures up to 230 PSI. Ideal for demanding MRO environments requiring reliable air connections. Keep threads clean to ensure optimal performance and longevity.
Body Size: 1/4"

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1/4"-18 External NPT 230 P.S.I. Nitrited Steel 5 521287 Log in to view price
Body Size: 3/8"

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1/4"-18 External NPT 230 P.S.I. Nitrited Steel 2 521289 Log in to view price
3/8"-18 External NPT 230 P.S.I. Nitrited Steel 2 521291 Log in to view price
Air Line Couplers with Blow Gun
Air Line Couplers with Blow Gun
Air Line Couplers with Blow Gun combine an Industrial Interchange coupler and an integrated blow gun, streamlining tool changes and workspace cleaning. The push-button trigger activates up to 13 CFM of air flow, working with the air tool connected or disconnected. Made from 360 brass with a six-ball locking mechanism, they offer durability and reliability. Ideal for MRO applications where efficiency is essential. For best results, regularly inspect for wear and maintain clean connections.
Body Size: 1/4"

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1/4"-18 Internal NPT Brass 1 523700 Log in to view price
Item Number: 523700
Package Weight: 0.3 lbs
ARO Interchange Air Couplers
ARO Interchange Air Couplers
Ideal for quick pneumatic connections, ARO Interchange Air Couplers feature a 3/8" body size that handles air volumes up to approximately 67 SCFM. Made from zinc-plated steel for increased corrosion resistance and long service life. Use with standard NPT pipe threads; not intended for connection under normal air pressure.
Body Size: 1/4"

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1/4"-18 Internal NPT 300 P.S.I. Brass 5 52918 Log in to view price
3/8"-18 Internal NPT 300 P.S.I. Steel 1 52920 Log in to view price
Body Size: 3/8"

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3/8"-18 Internal NPT 300 P.S.I. Steel 1 52990 Log in to view price
ARO Interchange Color-Coded Air Couplers
ARO Interchange Color-Coded Air Couplers
ARO Interchange Color-Coded Air Couplers make identifying and connecting air tools fast and easy with their color-coded design. The steel coupler body with an aluminum sleeve offers toughness and corrosion resistance. Matching colors between couplers and nipples eliminate misconnects and prevent contamination or tool damage. Ideal for distinguishing between lubricated and dry air lines. Use with corresponding color-coded nipples for reliable connections in MRO applications.
Body Size: 1/4"

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1/4"-18 Internal NPT Carbon Steel 1 521308 Log in to view price
ARO Interchange Push-Button Air Couplers
ARO Interchange Push-Button Air Couplers
ARO Interchange Push-Button Air Couplers offer easy one-hand connect and disconnect in pneumatic systems. The recessed push-button design prevents accidental disconnections, enhancing safety during use. Weighing only 2 ounces, they are lightweight and won't burden self-coiling air hoses. The non-scratching exterior protects finished surfaces, and the leak-free design reduces compressor run times. Ideal for MRO applications, ensure proper connection before pressurizing the system for optimal performance.
Body Size: 1/4"

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1/4"-18 Internal NPT 175 P.S.I. Composite 1 52585 Log in to view price
ARO Interchange Push-Button Air Line Safety Couplers
ARO Interchange Push-Button Air Line Safety Couplers
ARO Interchange Push-Button Air Line Safety Couplers enhance safety by automatically venting air before disconnecting, eliminating hose-whip hazards. The single-press push-button allows for quick, one-handed operation without manipulating coupler sleeves. With an impact-resistant composite body, they resist scratching surfaces and provide an ergonomic grip. Ideal for MRO applications where safety and efficiency are crucial. For best results, ensure secure connections and regularly inspect for wear.
Body Size: 1/4"

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1/4"-18 External NPT 174 P.S.I. Composite 1 52578 Log in to view price
1/4"-18 Internal NPT 174 P.S.I. Composite 1 52577 Log in to view price
ARO Parker® 4 Ball High Flow Air Couplers
ARO Parker® 4 Ball High Flow Air Couplers
ARO Parker® 4 Ball High Flow Air Couplers deliver enhanced reliability and performance in pneumatic systems. Featuring a robust 4-ball locking mechanism, they offer a secure connection and extended service life over traditional 3-ball designs. The tubular valve design ensures high air flow with minimal pressure drop, while precision Nitrile seals prevent leaks. The sleeve guard enhances safety by preventing accidental disconnects. Ideal for MRO applications needing consistent air flow. Regularly check for seal integrity to maintain performance.
Body Size: 1/4"

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1/4"-18 Internal NPT 300 P.S.I. Brass 1 52596 Log in to view price
ARO Interchange Female Nipples
ARO Interchange Female Nipples
ARO Interchange Female Nipples with a 1/4" body size are designed for common shop and automotive pneumatic applications, handling air flows up to approximately 40 SCFM. The ARO Interchange Design ensures compatibility with standard couplers for reliable connections. Constructed from zinc-plated steel, they offer corrosion resistance and long service life. Ideal for MRO settings where dependable air connections are essential. For optimal performance, pair with compatible ARO Interchange couplers.
Body Size: 1/4"

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1/4"-18 Internal NPT 300 P.S.I. Steel 5 52916 Log in to view price
Body Size: 3/8"

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3/8"-18 Internal NPT 300 P.S.I. Steel 2 52992 Log in to view price
ARO Interchange Male Nipples
ARO Interchange Male Nipples
ARO Interchange Male Nipples provide reliable pneumatic connections using the ARO Interchange design. Made from zinc-plated steel for corrosion resistance and long service life, they handle air volumes up to approximately 40 SCFM. Ideal for shop and automotive applications, these nipples ensure consistent performance. For optimal results, pair with ARO Interchange couplers and keep threads clean before connecting.
Body Size: 1/4"

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1/4"-18 External NPT 300 P.S.I. Steel 5 52914 Log in to view price
3/8"-18 External NPT 300 P.S.I. Steel 5 52915 Log in to view price
Body Size: 3/8"

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3/8"-18 External NPT 300 P.S.I. Steel 2 52991 Log in to view price
ARO Interchange Color-Coded Female Nipples
ARO Interchange Color-Coded Female Nipples
Designed for easy identification, ARO Interchange Color-Coded Female Nipples help prevent misconnects in pneumatic systems. Constructed from heat-treated aircraft aluminum for durability and corrosion resistance, they protect against contamination and potential tool damage. Ideal for separating lubricated from dry air lines, they ensure accurate connections every time. Match the nipple color with the coupler for fast, reliable use. Perfect for busy MRO environments requiring quick tool changes.
Body Size: 1/4"

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1/4"-18 Internal NPT Aluminum 5 521311 Log in to view price
ARO Interchange Color-Coded Male Nipples
ARO Interchange Color-Coded Male Nipples
ARO Interchange Color-Coded Male Nipples simplify pneumatic connections by providing quick visual identification. Made from heat-treated aircraft aluminum, they are tough and corrosion-resistant. Matching colors between couplers and nipples eliminate misconnects and prevent contamination or tool damage. Ideal for differentiating lubricated and dry air lines, ensuring the right tools connect to the correct air supply. Use with corresponding color-coded couplers for reliable and efficient connections.
Body Size: 1/4"

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1/4"-18 External NPT Aluminum 5 521310 Log in to view price
Heavy-Duty ARO Interchange Female Nipples
Heavy-Duty ARO Interchange Female Nipples
Built for demanding pneumatic tasks, the Heavy-Duty ARO Interchange Female Nipples are constructed from nitrated steel, offering exceptional toughness and corrosion resistance. Their precise engineering ensures a leak-free connection, minimizing air loss and improving efficiency. Designed to pair with push-button and heavy-duty air-line couplers, they can handle pressures up to 230 PSI. Ideal for MRO environments requiring robust air connections. Keep threads clean to ensure optimal performance and longevity.
Body Size: 1/4"

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1/4"-18 Internal NPT 230 P.S.I. Nitrited Steel 5 521286 Log in to view price
Heavy-Duty ARO Interchange Male Nipples
Heavy-Duty ARO Interchange Male Nipples
Ideal for heavy-duty pneumatic applications, the Heavy-Duty ARO Interchange Male Nipples are crafted from nitrated steel for exceptional durability and corrosion resistance. Their precision construction ensures leak-free performance, reducing downtime and maintenance costs. Designed to work seamlessly with push-button and other heavy-duty air-line couplers, they handle pressures up to 230 PSI. Perfect for MRO settings requiring reliable air connections. To maximize lifespan, keep threads clean and free from debris.
Body Size: 1/4"

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1/4"-18 External NPT 230 P.S.I. Nitrited Steel 5 521285 Log in to view price
Universal Milton® Air Line Safety Female Couplers
Universal Milton® Air Line Safety Female Couplers
Universal Milton® Air Line Safety Female Couplers accept multiple nipple styles, making them ideal for shops using various air tools. The safety design vents excess air pressure before disconnecting, reducing hose whip risks. Durable steel construction with protective rubber bumpers prevents damage to surfaces. Recommended for use with a leader hose to extend lifespan. Ideal for MRO environments prioritizing safety and versatility. Always ensure proper use to maintain safety standards.
Body Size: 1/4"

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1/4"-18 NPT 200 P.S.I. Carbon Steel Universal 1 52561 Log in to view price
Body Size: 3/8"

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1/4"-18 NPT 200 P.S.I. Carbon Steel Industrial Interchange, Tru-Flate 1 52565 Log in to view price
3/8"-18 NPT 120 P.S.I. Carbon Steel Universal 1 52563 Log in to view price
3/8"-18 NPT 200 P.S.I. Carbon Steel Industrial Interchange, Tru-Flate 1 52567 Log in to view price
Body Size: 1/2"

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1/2"-14 NPT 200 P.S.I. Carbon Steel Industrial Interchange, Tru-Flate 1 52569 Log in to view price
Universal Milton® Air Line Safety Male Couplers
Universal Milton® Air Line Safety Male Couplers
Universal Milton® Air Line Safety Male Couplers accept multiple nipple styles, ideal for shops with varied air tools. The safety design vents excess air pressure before disconnecting, reducing hose whip risks. Durable steel construction with protective rubber bumpers helps prevent surface damage. Recommended for use with a leader hose to extend product lifespan. Perfect for MRO environments where safety and versatility are essential. Always ensure proper use to maintain safety standards.
Body Size: 1/4"

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1/4"-18 NPT 120 P.S.I. Carbon Steel Universal 1 52562 Log in to view price
3/8"-18 NPT 120 P.S.I. Carbon Steel Universal 1 52564 Log in to view price
Body Size: 3/8"

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1/4"-18 NPT 200 P.S.I. Carbon Steel Industrial Interchange, Tru-Flate 1 52566 Log in to view price
3/8"-18 NPT 200 P.S.I. Carbon Steel Industrial Interchange, Tru-Flate 1 52568 Log in to view price
Body Size: 1/2"

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1/2"-14 NPT 200 P.S.I. Carbon Steel Industrial Interchange, Tru-Flate 1 52570 Log in to view price
Universal NPT Air Couplers
Universal NPT Air Couplers
Universal NPT Air Couplers offer enhanced air flow—up to 50% more than standard couplers—for efficient pneumatic tool performance. Made with a durable 1/4" brass body and steel sleeve, they withstand pressures up to 300 PSI and temperatures from -40°F to +250°F. These couplers are compatible with ARO, Industrial Interchange, and Tru-Flate nipples, making them versatile for various MRO applications. For best results, ensure secure connections to prevent leaks.
Body Size: 1/4"

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1/4"-18 External NPT 150 P.S.I. Brass Body/Steel Sleeve 1 52901 Log in to view price
Item Number: 52901
Package Weight: 0.3 lbs
1/4"-18 Internal NPT 150 P.S.I. Brass Body/Steel Sleeve 1 52900 Log in to view price
3/8"-18 External NPT 150 P.S.I. Brass Body/Steel Sleeve 1 52904 Log in to view price
Item Number: 52904
Package Weight: 0.2 lbs
3/8"-18 Internal NPT 150 P.S.I. Brass Body/Steel Sleeve 1 52903 Log in to view price
Universal Uni-Max 2 Air Couplers
Universal Uni-Max 2 Air Couplers
Universal Uni-Max 2 Air Couplers offer compatibility with Industrial, Tru-Flate, and ARO nipples, reducing downtime in multi-tool environments. Featuring a nickel-plated brass body for corrosion resistance and durability, they withstand pressures up to 250 PSI. Stainless steel springs and locking balls ensure reliable connections, while Buna-N seals resist various solvents and oils. Ideal for MRO applications requiring versatility, they simplify pneumatic setups. For optimal use, match with any standard nipple style.
Body Size: 1/4"

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1/4"-18 External NPT 250 P.S.I. Brass 1 52601 Log in to view price
1/4"-18 Internal NPT 250 P.S.I. Brass 1 52600 Log in to view price
3/8"-18 External NPT 250 P.S.I. Brass 1 52603 Log in to view price
3/8"-18 Internal NPT 250 P.S.I. Brass 1 52602 Log in to view price
Body Size: 3/8"

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3/8"-18 External NPT 250 P.S.I. Brass 1 52605 Log in to view price
3/8"-18 Internal NPT 250 P.S.I. Brass 1 52604 Log in to view price
Universal Uni-Max 3 Air Line Safety Couplers
Universal Uni-Max 3 Air Line Safety Couplers
The Universal Uni-Max 3 Air Line Safety Couplers are compatible with Industrial, Tru-Flate, ARO, Hi-Flow Industrial, and Lincoln nipples. They safely vent air before disconnection to prevent hose whip. Automatic coupling allows easy insertion without depressing the locking collar. Ideal for reducing downtime in multi-tool environments. Operating pressure range: 0-150 PSI.
Body Size: 1/4"

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1/4"-18 External NPT 150 P.S.I. Nitrited Steel 1 521088 Log in to view price
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Universal Hose Barb Air Couplers
Universal Hose Barb Air Couplers
Universal Hose Barb Air Couplers offer enhanced air flow—up to 50% more than standard couplers—for efficient pneumatic tool performance. Featuring a 1/4" brass body with steel sleeve, they are designed for hose barb connections without the need for additional fittings. Compatible with ARO, Industrial Interchange, and Tru-Flate nipples, these couplers provide versatility in various MRO applications. With a pressure rating up to 300 PSI and operating temperatures from -40°F to +250°F, they are suited for demanding environments. For secure connections, use proper hose clamps.
Body Size: 1/4"

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1/4" 150 P.S.I. Brass Body/Steel Sleeve 1 52902 Log in to view price
3/8" 150 P.S.I. Brass Body/Steel Sleeve 1 52905 Log in to view price
Universal Safety-Twist Air Couplers
Universal Safety-Twist Air Couplers
Universal Safety-Twist Air Couplers work with 1/4" body Industrial Interchange, Tru-Flate, and ARO nipples, simplifying tool compatibility. The safety design vents pressurized air before disconnecting, preventing dangerous hose whip. Easy to use, simply twist and pull back the sleeve to disconnect. Chrome-plated steel construction and a six-ball locking mechanism provide durability. Ideal for MRO environments requiring safe, reliable connections. For best results, regularly inspect seals and locking mechanisms.
Body Size: 1/4"

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1/4"-18 External NPT 215 P.S.I. Steel 1 52787 Log in to view price
1/4"-18 Internal NPT 215 P.S.I. Steel 1 52786 Log in to view price
Lincoln "Long Stem" Air Couplers
Lincoln "Long Stem" Air Couplers
Lincoln "Long Stem" Air Couplers use a unique design for reliable pneumatic connections. Made from zinc-plated steel for corrosion resistance and long service life, they handle air volumes up to approximately 40 SCFM. Ideal for shop and automotive applications requiring standard 1/4" body size connections. For optimal performance, pair with compatible Lincoln "Long Stem" nipples and ensure connections are clean and secure before use.
Body Size: 1/4"

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1/4"-18 Internal NPT 300 P.S.I. Steel 2 52935 Log in to view price
Lincoln Parker® 4 Ball High Flow Air Couplers
Lincoln Parker® 4 Ball High Flow Air Couplers
Designed for high-flow applications, Lincoln Parker® 4 Ball High Flow Air Couplers offer increased reliability with a 4-ball locking mechanism. The tubular valve delivers maximum air flow with minimal pressure drop, and Buna-N seals ensure a tight seal. A sleeve guard prevents accidental disconnects. Ideal for demanding shop environments needing high air flow.
Body Size: 1/4"

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1/4"-18 Internal NPT 300 P.S.I. Brass 1 52597 Log in to view price
Lincoln "Long Stem" Female Nipples
Lincoln "Long Stem" Female Nipples
Specifically made for Lincoln "Long Stem" applications, these Female Nipples offer dependable pneumatic connections. With a 1/4" body size handling up to 40 SCFM, they connect and disconnect under normal air pressure. Constructed from zinc-plated steel for corrosion resistance and long life. Use with standard NPT pipe threads.
Body Size: 1/4"

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1/4"-18 Internal NPT 300 P.S.I. Steel 5 52934 Log in to view price
Lincoln "Long Stem" Male Nipples
Lincoln "Long Stem" Male Nipples
Lincoln "Long Stem" Male Nipples feature a unique design for reliable pneumatic connections. With a 1/4" body size handling air volumes up to approximately 40 SCFM, they suit standard applications. Made from zinc-plated steel for corrosion resistance and long service life, they fit standard NPT pipe threads. Ideal for MRO environments requiring the Lincoln design, ensure compatibility with matching couplers. For optimal performance, maintain clean threads and regular inspection.
Body Size: 1/4"

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1/4"-18 External NPT 300 P.S.I. Steel 5 52933 Log in to view price
NPT E-Z Mate Air Couplers
NPT E-Z Mate Air Couplers
NPT E-Z Mate Air Couplers offer easy connect and disconnect at 0 PSI, regardless of line pressure. The coupler exhausts air pressure before disconnecting, minimizing hose whip hazards. Built-in sleeve guards prevent accidental disconnections, and solid steel construction ensures durability up to 300 PSI. Ideal for MRO settings where safety and ease of use are priorities. Simply follow the on-off arrow stamped on the valve sleeve for operation. Use with Industrial Interchange style nipples for compatibility.
Body Size: 1/4"

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1/4"-18 External NPT 300 P.S.I. Carbon Steel 1 521106 Log in to view price
Item Number: 521106
Package Weight: 0.3 lbs
1/4"-18 Internal NPT 300 P.S.I. Carbon Steel 1 521100 Log in to view price
Item Number: 521100
Package Weight: 0.3 lbs
Body Size: 3/8"

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3/8"-18 External NPT 300 P.S.I. Carbon Steel 1 521107 Log in to view price
Item Number: 521107
Package Weight: 0.5 lbs
3/8"-18 Internal NPT 300 P.S.I. Carbon Steel 1 521102 Log in to view price
Item Number: 521102
Package Weight: 0.4 lbs
Body Size: 1/2"

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1/2"-14 External NPT 300 P.S.I. Carbon Steel 1 521108 Log in to view price
Item Number: 521108
Package Weight: 0.7 lbs
1/2"-14 Internal NPT 300 P.S.I. Carbon Steel 1 521103 Log in to view price
Item Number: 521103
Package Weight: 0.7 lbs
3/4"-14 Internal NPT 300 P.S.I. Carbon Steel 1 521104 Log in to view price
Item Number: 521104
Package Weight: 0.8 lbs
Body Size: 3/4"

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3/4"-14 Internal NPT 300 P.S.I. Carbon Steel 1 521105 Log in to view price
Item Number: 521105
Package Weight: 0.9 lbs
Hose Barb E-Z-Mate Air Couplers
Hose Barb E-Z-Mate Air Couplers
Hose Barb E-Z-Mate Air Couplers provide easy connect and disconnect at 0 PSI, regardless of line pressure. The coupler exhausts air before disconnecting, minimizing hose whip hazards. Built-in sleeve guards prevent accidental disconnections, and solid steel construction ensures durability up to 300 PSI. Ideal for MRO settings where safety and ease of use are priorities. Simply follow the on-off arrow on the valve sleeve for operation. Use with compatible hoses for secure connections.
Body Size: 1/4"

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1/4" Hose Barb 300 P.S.I. Carbon Steel 1 521109 Log in to view price
1/4" Push-Lok Hose Barb 300 P.S.I. Carbon Steel 1 521113 Log in to view price
3/8" Hose Barb 300 P.S.I. Carbon Steel 1 521110 Log in to view price
3/8" Push-Lok Hose Barb 300 P.S.I. Carbon Steel 1 521114 Log in to view price
Body Size: 3/8"

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3/8" Hose Barb 300 P.S.I. Carbon Steel 1 521111 Log in to view price
3/8" Push-Lok Hose Barb 300 P.S.I. Carbon Steel 1 521115 Log in to view price
Body Size: 1/2"

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1/2" Hose Barb 300 P.S.I. Carbon Steel 1 521112 Log in to view price
1/2" Push-Lok Hose Barb 300 P.S.I. Carbon Steel 1 521116 Log in to view price
Straight Through Air Couplers
Straight Through Air Couplers
Straight Through Air Couplers provide unrestricted flow of liquids or gases, making them ideal for pressure washers and high-pressure cleaning applications. Constructed entirely of brass—including the socket body, sleeve, and nipples—they offer excellent corrosion resistance and durability. With no automatic shut-off, flow must be stopped before disconnecting to ensure safety. Suitable for MRO tasks requiring maximum flow rates. Always depressurize the system before disconnecting to prevent accidents.
Body Size: 1/4"

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1/4"-18 External NPT 2,700 P.S.I. Brass 1 52687 Log in to view price
1/4"-18 Internal NPT 2,700 P.S.I. Brass 1 52682 Log in to view price
Body Size: 3/8"

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3/8"-18 External NPT 2,700 P.S.I. Brass 1 52688 Log in to view price
3/8"-18 Internal NPT 2,700 P.S.I. Brass 1 52683 Log in to view price
Body Size: 1/2"

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1/2"-14 External NPT 2,700 P.S.I. Brass 1 52689 Log in to view price
1/2"-14 Internal NPT 2,700 P.S.I. Brass 1 52684 Log in to view price
Body Size: 3/4"

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3/4"-14 Internal NPT 2,700 P.S.I. Brass 1 52685 Log in to view price
Straight Through Couplers
Straight Through Couplers
Straight Through Couplers provide maximum flow with a smooth, open bore design, minimizing pressure drop in high-demand applications. Machined from Type 303 stainless steel for durability, they resist shock and damage. Ideal for pressure washers, steam cleaners, mold coolant lines, and food processing equipment. With no automatic shut-off, ensure flow is stopped before disconnecting for safety. Interchangeable with similar ST couplers, they operate effectively from -40°F to +250°F.
Body Size: 1/4"

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1/4"-18 Internal NPT 6,700 P.S.I. 303 Stainless Steel 1 521015 Log in to view price
Body Size: 3/8"

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3/8"-18 Internal NPT 5,500 P.S.I. 303 Stainless Steel 1 521016 Log in to view price
Straight Through Female Nipples
Straight Through Female Nipples
Straight Through Female Nipples allow unrestricted flow of liquids or gases, making them ideal for high-pressure applications like pressure washers. Their smooth bore design minimizes pressure drop, and the all-brass construction resists corrosion. With no automatic shut-off, flow must be stopped before disconnecting to ensure safety. Suitable for MRO tasks requiring maximum flow rates, always depressurize the system prior to disconnection to prevent accidents.
Body Size: 1/4"

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1/4"-18 Internal NPT 2,700 P.S.I. Brass 5 52692 Log in to view price
Body Size: 3/8"

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3/8"-18 Internal NPT 2,700 P.S.I. Brass 1 52693 Log in to view price
Body Size: 1/2"

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1/2"-14 Internal NPT 2,700 P.S.I. Brass 1 52694 Log in to view price
Body Size: 3/4"

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3/4"-14 Internal NPT 2,700 P.S.I. Brass 1 52695 Log in to view price
Straight Through Male Nipples
Straight Through Male Nipples
Straight Through Male Nipples allow unrestricted flow of liquids or gases, ideal for high-pressure applications like pressure washers. Made entirely of brass for corrosion resistance, they feature a smooth bore design minimizing pressure drop. With no automatic shut-off, ensure the flow is stopped before disconnecting for safety. Suitable for MRO tasks requiring maximum flow rates, they provide reliable performance. For optimal use, always depressurize the system prior to disconnection.
Body Size: 1/4"

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1/4"-18 External NPT 2,700 P.S.I. Brass 5 52697 Log in to view price
Body Size: 3/8"

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3/8"-18 External NPT 2,700 P.S.I. Brass 1 52698 Log in to view price
Body Size: 1/2"

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1/2"-14 External NPT 2,700 P.S.I. Brass 1 52699 Log in to view price
Stainless Steel Straight Through Female Nipples
Stainless Steel Straight Through Female Nipples
Stainless Steel Straight Through Female Nipples are designed for applications demanding maximum flow, such as pressure washers and steam cleaners. The smooth, open bore minimizes pressure drop, ensuring efficient fluid transfer. Made from Type 303 stainless steel, they resist shock, damage, and corrosion in harsh environments. Note that there is no automatic shut-off; flow must be stopped before disconnecting. Ideal for MRO tasks requiring high flow rates. Ensure system is depressurized before disconnecting.
Body Size: 1/4"

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1/4"-18 Internal NPT 6,700 P.S.I. 303 Stainless Steel 1 521017 Log in to view price
Body Size: 3/8"

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3/8"-18 Internal NPT 5,500 P.S.I. 303 Stainless Steel 1 521019 Log in to view price
Stainless Steel Straight Through Male Nipples
Stainless Steel Straight Through Male Nipples
Stainless Steel Straight Through Male Nipples are engineered for applications requiring maximum flow, such as pressure washers and fluid transfer lines. The smooth, open bore design minimizes pressure drop for efficient operation. Made from Type 303 stainless steel, they resist damage and corrosion in harsh environments. Note that there is no automatic shut-off; always stop flow before disconnecting. Ideal for MRO tasks needing high-flow connections. Ensure system is depressurized before disconnecting.
Body Size: 1/4"

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1/4"-18 External NPT 6,700 P.S.I. 303 Stainless Steel 1 521018 Log in to view price
Body Size: 3/8"

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3/8"-18 External NPT 5,500 P.S.I. 303 Stainless Steel 1 521020 Log in to view price

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