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 5985-01-571-1037
NSN 6130-01-407-7136
NSN 5935-00-269-5516
NSN 4140-00-811-2297
NSN 6320-01-084-7456
NSN 6220-00-895-7218
NSN 5996-01-323-6008
NSN 5950-01-431-9068
NSN 6135-00-209-6918
NSN 6240-01-122-5856
NSN 5990-01-560-0896
NSN 5945-01-248-7094