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 5930-01-143-5105
NSN 7035-01-580-3814
NSN 5905-00-997-5457
NSN 5975-01-007-4008
NSN 5998-01-444-9017
NSN 5998-00-815-1896
NSN 5965-01-043-9357
NSN 5920-01-634-0250
NSN 4140-01-460-8662
NSN 6685-01-219-5528
NSN 6135-01-074-8220
NSN 5855-01-141-8227