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 5990-01-632-0969
NSN 6650-01-542-1858
NSN 7035-01-012-2259
NSN 6220-01-435-6297
NSN 6145-01-428-9003
NSN 6220-01-509-9943
NSN 5998-01-534-6372
NSN 6645-01-264-4093
NSN 5975-01-572-4004
NSN 6105-00-659-3890
NSN 5930-01-328-7899
NSN 2925-01-336-2820