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 6135-00-485-7402
NSN 5910-00-140-9537
NSN 5965-01-560-8572
NSN 6220-01-297-9361
NSN 6110-01-150-5025
NSN 6645-01-261-4863
NSN 5975-00-762-8051
NSN 6320-01-515-7913
NSN 6610-01-371-3006
NSN 6320-00-115-0883
NSN 2925-01-417-6815
NSN 6320-01-532-7491