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O-Ring Buna-N 90A, 2-7/8" ID, 3-1/8" OD, 1/8" width, 100 pack

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$33 USD
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233 O-Ring, Buna-N, 90A Durometer, 2-7/8" ID, 3-1/8" OD, 1/8" Width, Black (Pack of 100)

Buna-N圓截O-ring with 90A durometer for sealing cylindrical surfaces across a wide temp range. Durable construction suited for fluids from petroleum to aliphatic hydrocarbons. Customer note: heavy-duty and durable with good value for money

Highlights

  • 90A durometer material
  • AS568A compatibility
  • large pack quantity

Pros

  • high-durometer Buna-N material
  • broad temperature resistance
  • round cross-section for reliable seal
  • suitable for various fluids
  • pack of 100 pieces

Cons

  • mixed feedback on size accuracy
  • perceived stiffness by some customers

Best For

  • garden hose quick disconnects
  • hydraulic couplers
  • kayak fittings
  • petroleum to hydrocarbon seals
  • cylindrical seal applications
  • general fluid seal in mechanical assemblies

Features

  • Buna-N / Buna-nitrile material suitable for petroleum to aliphatic hydrocarbons
  • Hardness of 90A to specify durometer rating
  • Round cross-section creates a seal between cylindrical overlapping surfaces
  • Operating temperature range from -40°C to 100°C (-40°F to 212°F)
  • Meets Aerospace Standard AS568A

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