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 6150-01-379-3966
NSN 7035-00-455-7666
NSN 6135-01-418-4156
NSN 2925-01-214-5333
NSN 5910-01-199-5561
NSN 5930-01-540-9902
NSN 5935-01-578-6751
NSN 5930-00-821-1819
NSN 6130-01-073-1412
NSN 5996-00-086-9352
NSN 5985-00-179-4449
NSN 5996-00-751-9701