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2-5/8" x 1/8" x 2-7/8" Backup Buna-N 90 O-Ring (#231)

2-5/8" x 1/8" x 2-7/8" Backup Buna-N 90 O-Ring (#231)

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Item Number: 511831
Package Weight: 0.1 lbs
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Product Details

  • O-RING BACKUP WASHERS - Provides supplemental support of O-Ring seals in specific applications. Not intended to be used without O-Rings.
  • HIGH PRESSURE APPLICATIONS - Ideal for use in high pressure applications, such as with hydraulic cylinders, high-pressure valves, and high pressure, heavy-stress hydraulic systems.
  • PREVENTS O-RING EXTRUSION - Buna-N 90 O-Ring Backup Washers prevent O-Rings from flowing into the sealing gap when subjected to high pressures.
  • FOR USE IN APPROVED SYSTEMS - O-Ring Backup Washers must only be used in specific applications that have been engineered for their use. Using them in non-approved systems could result in equipment failure.

Product Specification

Brand:  Kimball Midwest Approved Vendor
Color:  Black
Durometer:  90
Industry Number:  231
Inside Diameter:  2-1/2"
Material:  Nitrile
Maximum Operating Temperature:  300 °F
Minimum Operating Temperature:  -65 °F
Outside Diameter:  2-3/4"
Wall Thickness:  1/8"

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