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 5935-01-054-3556
NSN 6145-01-587-2371
NSN 6610-01-550-0628
NSN 6240-01-083-8741
NSN 6645-01-455-1293
NSN 5895-00-435-4026
NSN 6130-00-896-0046
NSN 5985-01-327-7898
NSN 6645-01-025-1002
NSN 4140-01-460-9575
NSN 6135-01-512-8740
NSN 5920-01-658-7406