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 7035-00-946-2642
NSN 5895-01-297-8008
NSN 5920-01-423-8595
NSN 5935-01-449-1091
NSN 4140-01-310-7345
NSN 6240-01-357-0305
NSN 5915-00-467-6796
NSN 5965-00-243-1243
NSN 5998-00-171-9786
NSN 5905-01-321-2911
NSN 5920-00-269-6178
NSN 5950-01-207-9542