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 4140-01-131-9394
NSN 5990-01-300-7801
NSN 5935-01-167-9357
NSN 5855-01-333-9606
NSN 7035-01-232-7263
NSN 5965-01-545-3629
NSN 6220-00-527-1177
NSN 6610-01-557-4896
NSN 5945-00-316-2720
NSN 5920-01-104-2301
NSN 5910-01-336-3222
NSN 6645-01-421-6909