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 6150-01-529-6368
NSN 5990-01-116-2181
NSN 4140-00-066-4485
NSN 5975-00-782-2045
NSN 6610-00-432-3161
NSN 7035-00-020-2227
NSN 5960-01-418-4875
NSN 5935-00-144-4395
NSN 5990-01-118-0151
NSN 5975-00-707-6245
NSN 6150-00-557-7656
NSN 5990-01-510-4699