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 6650-01-216-2707
NSN 6650-01-463-4564
NSN 5965-01-222-1420
NSN 5960-01-250-5502
NSN 6610-01-604-1330
NSN 6620-01-070-9042
NSN 5930-01-253-6421
NSN 6145-01-098-4464
NSN 5930-01-141-3624
NSN 5910-01-411-5366
NSN 6620-00-935-1321
NSN 6105-01-588-9129