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 6145-01-550-7310
NSN 6135-00-455-2425
NSN 6105-01-401-5361
NSN 6130-01-335-2320
NSN 5920-01-644-5081
NSN 4140-00-145-7334
NSN 5905-01-166-9183
NSN 5915-01-013-8995
NSN 6145-01-378-4321
NSN 6150-00-027-9279
NSN 6645-00-947-0625
NSN 6240-01-199-3073