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 5920-01-476-5120
NSN 5945-00-529-0103
NSN 5998-01-145-5199
NSN 5920-01-260-2300
NSN 6320-01-322-4950
NSN 6220-00-702-0677
NSN 6650-01-249-3201
NSN 5910-01-603-2070
NSN 5945-01-073-6605
NSN 6645-01-265-0115
NSN 6110-01-154-9172
NSN 5855-01-373-7538