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Viton O-Ring 75A, 3-1/4" ID, 3-5/8" OD, 3/16" Width, pack of 10

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$36 USD
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339 Viton O-Ring, 75A Durometer, Black, 3-1/4" ID, 3-5/8" OD, 3/16" Width (Pack of 10)

Viton O-ring with 75A hardness for seals between cylindrical surfaces. Suitable for a wide temperature range and chemical/fuel compatibility. Customers note good fit, leak resistance, and solid durability in heat

Highlights

  • 75A hardness for durability
  • Viton chemical compatibility
  • AS568A standard compatibility

Pros

  • Viton material for chemical/fuel compatibility
  • Round cross-section for reliable sealing
  • Wide temperature range (-15°F to 400°F)
  • 75A durometer for resistance to penetration
  • Meets aerospace AS568A standards

Cons

  • No specific size tolerances provided
  • Pack quantity fixed at 10
  • No direct compatibility list beyond general usage

Best For

  • fuel bottle seals
  • barrel seals for firearms
  • vacuum or pressure seals on cylindrical assemblies
  • silencer components (application example)
  • replacement O-rings in machinery
  • chemical-resistant seal in various fluids

Features

  • Viton fluorocarbon elastomer resists a variety of chemicals and fuels
  • Round cross-section creates a seal between cylindrical surfaces
  • Operates from -15°F to 400°F (-26°C to 205°C)
  • Durometer hardness 75A for resistance to penetration
  • complies with Aerospace Standard AS568A

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