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 5915-00-054-6637
NSN 6610-00-336-2404
NSN 4140-01-328-6356
NSN 5935-01-088-7072
NSN 6320-00-593-0379
NSN 5855-01-446-7574
NSN 5905-01-634-0595
NSN 5965-01-633-8849
NSN 6135-00-078-9931
NSN 6220-01-341-5322
NSN 5925-00-482-8704
NSN 4140-00-454-3786