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 6105-00-059-9166
NSN 4140-01-063-0551
NSN 5920-01-517-2868
NSN 6650-01-183-0711
NSN 5996-00-250-6556
NSN 2925-00-406-4381
NSN 6240-01-172-5981
NSN 7035-01-547-0725
NSN 5935-01-019-8925
NSN 5975-01-193-8662
NSN 6220-00-830-4692
NSN 6320-01-648-5538