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 6320-01-279-0343
NSN 6130-00-344-4476
NSN 5925-01-625-0175
NSN 5945-00-809-9301
NSN 6110-01-238-3953
NSN 5999-01-445-2452
NSN 6610-01-604-7335
NSN 6220-01-410-8592
NSN 6650-00-665-3658
NSN 6105-01-084-4202
NSN 4140-00-536-4052
NSN 6320-01-116-3980