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 6320-01-089-9086
NSN 2925-00-774-8247
NSN 5990-01-546-1649
NSN 5960-01-089-8155
NSN 4140-00-844-9436
NSN 4140-01-456-0781
NSN 5950-01-215-1500
NSN 5835-01-070-1882
NSN 5835-01-126-9358
NSN 5945-01-484-9325
NSN 7035-01-090-3369
NSN 6650-00-296-4670