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#021 15/16" ID x 1 1/16" D x 1/16" CS Silicone 70 Durometer
O-Rings are round rubber washers that are placed around the valve stem in order to create a seal, preventing leaking from occurring and providing an excellent resistance to vibration. The listed size is referenced from AS568 dimensions, which is the Aerospace Size Standard for O-rings from the Society of Automotive Engineers.
- ASTM D 1418 Designations: , VMQ, PVMQ
- ASTM D 2000, SAE J200 Type/, FE, GE
- General Temperature Range: -65 to +450 Degrees (F)
Silicon Performs Well In:
- Engine & transmission oils (mineral oils)
- Dry heat
Silicone Does Not Perform Well In:
- Petroleum oils & fuels
- Ketones (MEK, acetone)
- Concentrated acids