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268 Viton O-Ring, 75A, black, 8-1/2" ID x 8-3/4" OD, 1/8" width (pack of 25)

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268 Viton O-Ring, 75A Durometer, Black, 8-1/2" ID, 8-3/4" OD, 1/8" Width (Pack of 25)

Viton O-ring with 75A hardness for chemical and fuel compatibility, sealing cylindrical surfaces across wide temperatures. Durable and heat-resistant, suitable as a replacement with good leak resistance

Highlights

  • 75A durometer for resistance to penetration
  • Viton material for chemical compatibility
  • AS568A standard relevance

Pros

  • chemical and fuel compatibility
  • round cross-section for effective sealing
  • wide temperature range
  • 75A hardness for abrasion resistance
  • packs of 25 for value

Cons

  • specific size only
  • requires correct ID/OD matching
  • no explicit compatibility list beyond general use

Best For

  • fuel bottle seals
  • PC watercooling loops
  • mechanical assemblies requiring cylindrical seal
  • general replacement o-rings
  • low-leak fuel systems

Features

  • Made of Viton (fluorocarbon elastomer) for use with a variety of chemicals and fuels
  • Round cross-section to provide a seal between cylindrical overlapping surfaces
  • Can be used across a wide temperature range from -15 degrees F (-26 degrees C) to 400 degrees F (205 degrees C)
  • Durometer (hardness) of 75A for resistance to penetration
  • Meets standards defined by Aerospace Standard AS568A.

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