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 5915-00-683-8248
NSN 2925-01-175-1217
NSN 2925-01-266-5229
NSN 5915-00-619-3987
NSN 5960-01-293-1571
NSN 6110-01-604-8811
NSN 5915-01-075-9002
NSN 5910-01-399-0255
NSN 5945-00-425-1387
NSN 5835-00-583-1316
NSN 4140-01-316-0493
NSN 5960-00-254-4271