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 4140-01-656-8267
NSN 6110-00-481-4910
NSN 5910-01-578-6247
NSN 5950-01-063-5163
NSN 5920-01-418-1821
NSN 6135-00-548-2765
NSN 5915-01-101-4595
NSN 5925-01-033-3853
NSN 6645-01-299-7806
NSN 6135-01-426-4962
NSN 6105-01-332-1976
NSN 5996-01-580-1975