O-Ring Buna-N 90A, 1-5/8" ID, 2" OD, 3/16" Wide, Black (Pack of 100)
Buna-N / Buna-nitrile O-ring with 90A hardness for sealing cylindrical joints across a wide temperature range. Works with a variety of fluids from petroleum to aliphatic hydrocarbons; meets Aerospace AS568A standards. Customer note: durable and good fit for multiple applications, though size accuracy opinions vary
Highlights
- Buna-N material for versatile fluid compatibility
- AS568A standard conformance
- 90A durometer for stiffness and sealing
Pros
- 90A hardness for durable sealing
- Wide temperature range (-40°F to 212°F)
- Compatible with petroleum to aliphatic hydrocarbons
- Meets Aerospace AS568A standards
- Round cross-section provides a seal between cylindrical surfaces
Cons
- Mixed opinions on size accuracy
- Some customers perceive it as stiff
Best For
Features
- Buna-N material suitable for petroleum to aliphatic hydrocarbon fluids
- 90A durometer hardness for sealing performance
- Round cross-section creates a seal between cylindrical surfaces
- Operates across -40°C to 100°C temperature range
- Conforms to Aerospace Standard AS568A