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 5998-01-034-1634
NSN 6145-00-918-9494
NSN 6650-01-174-5788
NSN 5905-00-942-1290
NSN 6130-00-528-7838
NSN 6150-00-037-5118
NSN 4140-01-301-1819
NSN 5945-01-376-4466
NSN 6650-01-053-6404
NSN 5855-01-658-4510
NSN 6650-01-010-4204
NSN 6135-00-567-1322