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 5998-01-526-0417
NSN 6320-00-456-0836
NSN 5855-01-515-9547
NSN 5895-01-393-1517
NSN 5990-01-245-7299
NSN 6145-01-479-8135
NSN 5905-01-476-5672
NSN 5990-01-020-6598
NSN 6650-01-416-0473
NSN 5895-00-288-5878
NSN 6685-01-499-0736
NSN 5910-00-273-3862