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 5945-01-384-1849
NSN 5895-01-077-7380
NSN 4140-00-104-2939
NSN 6220-00-231-2687
NSN 5999-00-998-8094
NSN 5835-00-998-2917
NSN 2925-01-425-7087
NSN 5990-00-532-2641
NSN 2925-00-098-4165
NSN 2925-01-408-1480
NSN 6150-01-652-9253
NSN 6645-01-519-3007