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 5945-01-409-0879
NSN 6105-01-592-3866
NSN 6130-01-602-4034
NSN 4140-00-168-6184
NSN 5998-00-017-2828
NSN 5945-01-487-6446
NSN 6320-00-857-4073
NSN 5925-01-603-6209
NSN 5925-00-044-3194
NSN 5910-01-408-8715
NSN 5965-01-388-1379
NSN 5910-01-142-2688