2157450 caterpillar:control CONTROL GP-ENG RATINGS ELEK

215 Buna-N O-Ring, 50A Durometer, Round, Black, 1-1/16" ID, 1-5/16" OD, 1/8" Width (Pack of 30)
Sterling Seal & Supply, Inc. (STCC) Made of Buna-nitrile (also called Buna-N) for use with a variety of fluids from petroleum to aliphatic hydrocarbons || Durometer (hardness) of 50A for resistance to penetration || Round cross-section to provide a seal between cylindrical overlapping surfaces || For use across a wide temperature range from -30 degrees F/-34 degrees C to 250 degrees F/121 degrees C || Meets standards defined by Aerospace Standard AS568A