004 Buna-N Backup Ring, 90A Durometer, 0.096" ID, 0.053" Thick, Black (Pack of 100)
[Product Information]
- Contoured Backup Ring made of Buna-N (Nitrile, NBR) for use with a variety of fluids and hydrocarbons
- Durometer (hardness) of 90A
- For use across a wide temperature range from -40 degrees F (-40 degrees C) to 212 degrees F (100 degrees C)
- Backup Rings provide added extrusion resistance in high pressure sealing situations
- 1 or 2 Backup Rings can be used per 1 O-ring, depending on the direction of pressure in the sealing application
