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 5835-01-589-4735
NSN 5999-01-643-2449
NSN 5895-01-172-6120
NSN 5910-01-020-9470
NSN 5990-01-029-0868
NSN 6610-01-484-1370
NSN 5945-01-098-2150
NSN 5999-01-463-2793
NSN 2925-00-439-0916
NSN 5965-00-549-0220
NSN 5920-01-235-9522
NSN 5930-01-044-5830