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 5985-01-180-7412
NSN 6650-00-707-1417
NSN 5855-01-391-7472
NSN 5999-01-217-8812
NSN 5855-01-068-3683
NSN 6320-01-170-4068
NSN 5960-00-786-7967
NSN 5950-01-634-0677
NSN 5930-00-171-8867
NSN 5895-01-648-2243
NSN 6320-01-521-1764
NSN 6110-01-254-0016