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 4140-01-376-0986
NSN 5930-00-111-1831
NSN 5930-01-170-7832
NSN 6620-00-084-7621
NSN 5915-01-442-8469
NSN 6105-00-527-8571
NSN 6610-01-041-1880
NSN 5930-00-419-3987
NSN 6620-01-532-2243
NSN 5920-00-328-4503
NSN 6650-01-206-5419
NSN 7035-01-621-6392