O-Ring, Buna-N 90A, 5-1/2" ID 5-7/8" OD 3/16" Width, black (pack of 25)
Buna-N (Buna-Nitrile) O-ring with 90A durometer for sealing between cylindrical surfaces. Wide temperature range (-40°F to 212°F) and compatible with various fluids; meets Aerospace AS568A standards. Customers note durability and good value, with some size accuracy mixed
Highlights
- 90A durometer hardness
- AS568A compliant
- buna-nitrile material
Pros
- durable Buna-N material
- wide temperature range
- seals between cylindrical surfaces
- meets AS568A standards
- good value for money
Cons
- mixed opinions on size accuracy
- perceived stiffness
Best For
Features
- Buna-N material suitable for fluids from petroleum to aliphatic hydrocarbons
- Durometer rated at 90A for consistent hardness
- Round cross-section creates a seal between cylindrical surfaces
- Operating temperature range from -40°C to 100°C (-40°F to 212°F)
- conforms to Aerospace Standard AS568A
