A circular, single or multipiece item, metallic or nonmetallic in composition, designed to be fitted in a circumferential groove in a piston and to spring outward against the cylinder wall to function as a seal or wiper. It is supplied in various cross-sectional shapes and is cut through at one point to allow for installation in the piston ring groove. It may include an expander. Excludes packing, preformed; retainer, oil seal; retainer, packing; ring, retaining; ring wiper; and seal ring, metal.
Classification: Parts nesoi, of compressors other than refrigerating and air conditioning compressors
NSN 5945-00-496-6766
NSN 4140-01-647-3087
NSN 5915-00-624-8174
NSN 5920-00-583-8674
NSN 6135-01-074-8220
NSN 6240-00-643-0920
NSN 5935-01-462-5864
NSN 5905-00-642-8130
NSN 6650-00-409-8949
NSN 5855-00-221-9435
NSN 6240-01-658-0181
NSN 5910-01-414-0292