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 6320-01-170-4068
NSN 6110-00-071-8351
NSN 6105-01-195-2907
NSN 6650-00-469-6682
NSN 6135-01-216-9771
NSN 5930-01-202-9478
NSN 5925-01-604-1113
NSN 5999-01-028-5518
NSN 5935-01-055-2902
NSN 5935-01-576-8158
NSN 6645-01-500-5611
NSN 6240-00-565-6036