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 6240-01-262-2039
NSN 6620-01-223-9025
NSN 5965-01-486-3564
NSN 6150-00-081-2063
NSN 5835-01-033-5185
NSN 7035-00-131-8219
NSN 5920-00-705-2916
NSN 6130-01-551-1185
NSN 6110-00-793-1808
NSN 6320-00-886-9771
NSN 5920-01-444-7578
NSN 6150-01-093-6301