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.
NSN 6240-01-590-1347
NSN 5990-01-370-4785
NSN 5999-01-514-1424
NSN 6620-01-266-8894
NSN 5925-01-153-0144
NSN 5920-01-359-3982
NSN 4140-01-406-3626
NSN 5930-01-015-6375
NSN 6240-01-487-6459
NSN 6110-01-633-9660
NSN 6620-01-051-2045
NSN 6650-01-431-9625