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 6105-00-388-6572
NSN 6220-01-603-5421
NSN 5990-01-157-0441
NSN 6240-00-269-9477
NSN 6320-01-532-7491
NSN 5915-00-537-2339
NSN 5945-01-608-5803
NSN 6240-00-936-2056
NSN 5935-00-466-7379
NSN 6135-01-519-7879
NSN 6150-00-270-1001
NSN 5999-01-572-4253