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 5975-01-041-8298
NSN 7035-01-496-9069
NSN 6150-01-131-9801
NSN 4140-01-652-5868
NSN 5895-01-322-7982
NSN 5930-01-510-4165
NSN 5920-01-490-6691
NSN 6150-01-032-4161
NSN 5895-01-511-0062
NSN 5965-01-270-6832
NSN 5835-01-351-8429
NSN 5925-01-008-8520