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 6620-01-483-5247
NSN 6645-01-154-9647
NSN 6620-00-176-3096
NSN 5920-00-178-1688
NSN 5990-00-365-4591
NSN 5990-01-196-1585
NSN 5950-01-433-1853
NSN 5996-01-463-8197
NSN 5905-01-630-2161
NSN 5999-00-848-1370
NSN 5920-01-004-4107
NSN 6320-01-495-1244