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 6220-01-352-5425
NSN 6320-01-315-2982
NSN 5985-01-069-3173
NSN 5855-01-035-2866
NSN 5998-01-519-0140
NSN 6110-01-264-6913
NSN 6320-01-118-6662
NSN 6320-01-201-2776
NSN 6150-00-241-5439
NSN 6610-00-227-8846
NSN 5910-00-416-6871
NSN 5985-01-230-8162