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 5920-00-518-4452
NSN 5950-00-883-2248
NSN 6620-01-562-8816
NSN 5910-01-453-9256
NSN 2925-00-183-4390
NSN 5999-01-598-5695
NSN 6150-01-406-1815
NSN 7035-01-582-5105
NSN 5835-01-626-9603
NSN 5990-01-104-0469
NSN 5895-00-328-9314
NSN 6645-01-198-4078