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 5930-01-576-9816
NSN 5998-01-462-1237
NSN 2925-01-336-2820
NSN 5915-00-099-0347
NSN 2925-01-262-1418
NSN 5895-01-117-3179
NSN 5920-01-199-5522
NSN 5920-00-232-6419
NSN 5999-00-189-7500
NSN 5855-00-237-4088
NSN 5920-00-721-0721
NSN 2925-00-081-3547