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 5950-01-239-6498
NSN 6150-01-541-5093
NSN 6650-01-237-3334
NSN 5996-01-182-1125
NSN 6650-01-579-7240
NSN 5985-01-170-1491
NSN 5965-01-215-0993
NSN 6240-00-504-6583
NSN 5930-00-564-5296
NSN 5965-01-173-7521
NSN 6105-01-367-9679
NSN 6130-01-392-8347