Scuba Diving O-Rings -015 Tank Valve Bonnet Nut

Scuba Diving O-Rings -015 Tank Valve Bonnet Nut 

AS568-015 NBR70

Pack of 10 pcs.
Used for Regulator port plugs LP, Hose adapters, J-regulators,
Early replacement HP seats, Captured HP outlets, Piston HP barrel BC hose coupler
Size 9/16 ID x 11/16 OD x 1/16 CS
70 Shore A Hardness
Color Black

Buna Nitrile rubber is considered the standard for most general applications.
Excellent resistance to petroleum-based lubricants, hydraulic oils, gasoline, fuels, and L.P. gases.
Temperature range -58 F to 248 F with intermittent service to 600 F.