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 5935-01-268-2278
NSN 6130-00-244-1406
NSN 5950-01-521-3675
NSN 6620-01-501-8649
NSN 5945-01-392-1935
NSN 5996-00-478-4075
NSN 5975-00-910-8680
NSN 6620-01-601-4314
NSN 6135-01-575-8362
NSN 5990-01-485-0260
NSN 5920-01-401-5315
NSN 6240-00-334-6766