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 5960-00-269-4762
NSN 4140-01-322-8491
NSN 5910-01-189-4076
NSN 7035-00-870-0290
NSN 4140-00-106-2659
NSN 5930-01-067-1874
NSN 6220-01-474-9393
NSN 5935-00-846-0778
NSN 5999-00-999-4435
NSN 7035-01-361-8821
NSN 6130-01-649-1562
NSN 6145-01-123-2078