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 5915-00-925-2513
NSN 6110-00-510-3788
NSN 5925-01-449-0934
NSN 6650-00-061-2232
NSN 6110-01-092-6299
NSN 6110-00-553-0285
NSN 5990-01-529-7307
NSN 6105-01-629-3615
NSN 6110-00-130-5342
NSN 5920-01-179-4677
NSN 5990-00-116-6590
NSN 7035-01-268-0933