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 5990-01-359-8334
NSN 5855-01-406-6305
NSN 5910-01-288-2847
NSN 5945-00-119-3344
NSN 5935-01-456-2828
NSN 6620-00-366-1365
NSN 5950-01-505-0836
NSN 6320-00-164-4087
NSN 6130-00-751-8988
NSN 5945-01-534-3664
NSN 5960-00-669-9793
NSN 6240-00-357-0139