257 Viton O-Ring, 90A Durometer, 5-7/8" ID, 6-1/8" OD, 1/8" Width (Pack of 25) purge It is compatible for use

It is compatible for use with non-

3 3/8" Housing O Ring includes silicone lube

Exceed the requirements of AMS 7259

Be sure you remove any dirt and debris from lid threads and use proper lube (not Petroleum) before use

257 Viton O-Ring, 90A Durometer, 5-7/8" ID, 6-1/8" OD, 1/8" Width (Pack of 25) purge It is compatible for useMade of Viton (fluorocarbon elastomer) for use with a variety of chemicals and fuels Durometer (hardness) of 90A for resistance to penetration Round cross section to provide a seal between cylindrical overlapping surfaces For use across a wide temperature range from 15 degrees F 26 degrees C to 400 degrees F 205 degrees C Meets standards defined by Aerospace Standard AS568A 25 pieces 90 durometer, size 257, black or btown