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 5935-01-323-3014
NSN 6145-00-808-6429
NSN 6105-01-423-4980
NSN 5996-01-073-6860
NSN 6685-01-627-2460
NSN 6610-01-332-5126
NSN 5960-01-411-5899
NSN 6650-00-563-3880
NSN 6240-00-134-2085
NSN 5999-01-459-0026
NSN 5920-00-351-8428
NSN 6130-01-477-4459