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 5935-00-956-5025
NSN 6320-01-547-2743
NSN 5985-01-167-6231
NSN 5985-01-306-2285
NSN 6130-01-087-0090
NSN 5985-00-803-7468
NSN 5999-00-399-1215
NSN 5999-01-644-6508
NSN 6610-00-934-1044
NSN 4140-01-436-9831
NSN 6135-00-931-9049
NSN 7035-01-336-0464