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 5930-00-982-2816
NSN 5965-01-324-2441
NSN 6220-00-187-5519
NSN 6320-01-019-1028
NSN 5935-00-780-8321
NSN 6650-00-773-2030
NSN 4140-01-231-2286
NSN 6685-01-448-9630
NSN 5895-00-679-8606
NSN 6650-00-152-2916
NSN 6110-00-081-0927
NSN 4140-00-587-7496