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 6220-00-248-4483
NSN 5835-01-606-8768
NSN 6130-01-123-1882
NSN 5975-01-466-0613
NSN 6110-00-299-3553
NSN 5920-01-369-6385
NSN 5910-01-347-0260
NSN 6110-00-183-7788
NSN 2925-01-446-6976
NSN 6135-00-050-7189
NSN 5905-00-444-9764
NSN 2925-01-531-3872