357 Viton / FKM O-ring 75A Durometer Brown, Sterling Seal and Supply (50 Count)

Made of Viton (fluorocarbon elastomer) for use with a variety of chemicals and fuels Durometer (hardness) of 75A for resistance to penetration ID (Nominal): 5-1/2 OD (Nominal): 3/16 CS (Nominal): 5-7/8 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, Astm D1418 and Iso 1629 , Astm D2000-01 , Grade M6hk810 A1-10 B38 C12 C20 Ef31 Eo88 F819