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 5985-00-230-5442
NSN 5915-01-563-3412
NSN 6110-01-168-4988
NSN 5999-01-624-0378
NSN 5935-01-038-6701
NSN 5985-01-421-2527
NSN 5920-01-283-0214
NSN 2925-01-415-0264
NSN 6610-01-520-5124
NSN 5999-00-067-7528
NSN 5835-01-515-6537
NSN 5985-01-415-5785