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 6130-01-325-2539
NSN 6150-01-618-2771
NSN 5855-00-763-2155
NSN 6645-00-518-2068
NSN 5910-01-467-0741
NSN 6620-01-474-1890
NSN 7035-01-052-3815
NSN 4140-01-552-8733
NSN 5965-01-397-4967
NSN 5915-01-004-1784
NSN 5965-00-964-1756
NSN 6645-00-135-7480