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.
Flurosilicone Specs:
- ASTM D 1418 Designations: FVMQ
- ASTM D 2000, SAE J200 Type/Class: FK
- General Temperature Range: -70 to +350 Degrees (F)
FVMQ Performs Well In:
- Hot air
- Hydrocarbons (aromatic, chlorinated, nitro)
- Ozone
- Sunlight
FVMQ Does Not Perform Well In:
- Hydrazine
- Brake fluids
- Ketones