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 6645-01-434-8468
NSN 6645-01-592-2557
NSN 5965-01-516-1236
NSN 5950-01-558-8385
NSN 5905-01-349-7705
NSN 5855-01-418-6303
NSN 5945-01-131-0943
NSN 5905-00-400-9109
NSN 5975-01-258-3980
NSN 5905-00-145-3895
NSN 5965-01-607-8609
NSN 6620-01-500-9847