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Viton O-Ring 75A, 3.5 in ID, 3.75 in OD, 1/8 in; pack of 25

Mr O-Ring ★ 4.2/5 · ItemOracle Score Mid-Range

$54 USD
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238 Viton O-Ring, 75A Durometer, Black, 3-1/2" ID, 3-3/4" OD, 1/8" Width (Pack of 25)

Viton O-rings for chemical and fuel applications with a 75A hardness. Round cross-section seals between cylindrical surfaces across a wide temperature range. Customers note precise fit and reliable leak resistance

Highlights

  • Viton material
  • 75A hardness
  • AS568A compatibility

Pros

  • Viton material for chemical and fuel compatibility
  • 75A hardness for rigidity and sealing
  • Round cross-section enhances seal between surfaces
  • Wide temperature range
  • Pack of 25 for multiple uses

Cons

  • Limited to specific dimensions
  • No price or availability details
  • Reviewer mentions use in niche applications

Best For

  • fuel container seals
  • engine parts sealing
  • firearm accessory seals
  • replacement O-rings for silencers
  • MSA fuel bottle components
  • barrel seal applications

Features

  • Viton fluorocarbon elastomer for chemical and fuel compatibility
  • Round cross-section creates a seal between cylindrical surfaces
  • Operating temperature range from -15°F to 400°F (-26°C to 205°C)
  • Durometer hardness of 75A for resistance to penetration
  • Meets Aerospace Standard AS568A

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