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 5990-00-081-1266
NSN 5998-01-556-8996
NSN 6135-01-532-7951
NSN 6135-01-495-0933
NSN 6105-01-467-5468
NSN 5950-01-157-9482
NSN 6220-00-298-9302
NSN 2925-00-947-9814
NSN 5950-00-452-6308
NSN 5990-00-964-9672
NSN 6645-01-633-1852
NSN 6105-00-125-7964