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 2925-01-027-1293
NSN 5990-00-728-8248
NSN 5996-00-525-1777
NSN 6610-00-641-3015
NSN 5999-01-277-4393
NSN 6320-01-445-5893
NSN 5895-00-059-7516
NSN 6620-01-085-8688
NSN 6610-01-618-7038
NSN 6620-01-616-0884
NSN 5998-01-317-8802
NSN 5925-01-088-2837