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 of taps, cocks, valves and similar appliances, nesoi
NSN 5915-01-485-2466
NSN 5915-00-781-1331
NSN 5935-01-231-2691
NSN 6135-01-441-5053
NSN 5960-01-604-1158
NSN 5835-01-535-0948
NSN 5950-00-916-9881
NSN 5996-01-482-7596
NSN 5920-01-268-7258
NSN 5920-01-256-5830
NSN 6135-00-932-3136
NSN 5998-00-927-6431