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 5960-01-018-1489
NSN 6610-01-102-2256
NSN 4140-01-625-9619
NSN 4140-01-246-0299
NSN 6240-01-451-1409
NSN 2925-01-027-1293
NSN 5950-01-646-1253
NSN 2925-01-106-3552
NSN 6105-00-216-5813
NSN 4140-00-770-1052
NSN 6110-01-287-9607
NSN 5920-00-288-5849