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 5905-00-837-5461
NSN 6150-01-575-3383
NSN 5945-01-645-2389
NSN 5985-01-232-5811
NSN 5935-01-326-8585
NSN 5990-00-949-8451
NSN 6620-01-448-0572
NSN 5895-01-097-9686
NSN 5965-00-992-8942
NSN 6110-01-171-3269
NSN 5895-00-628-2078
NSN 5999-01-576-7987