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 5915-01-062-4497
NSN 6610-01-339-5254
NSN 6240-01-543-9591
NSN 5910-01-633-9963
NSN 6150-01-278-2087
NSN 5985-01-568-4658
NSN 5930-00-489-7013
NSN 6620-01-420-6831
NSN 5920-01-387-0819
NSN 5910-00-279-5960
NSN 6130-01-560-1316
NSN 5935-01-068-1909