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 5999-01-480-1912
NSN 6145-01-249-7728
NSN 6610-01-165-9458
NSN 6145-01-466-2004
NSN 5915-00-054-6637
NSN 6320-00-295-2854
NSN 5990-01-261-2962
NSN 4140-00-431-0424
NSN 5965-00-812-9158
NSN 5925-01-188-7630
NSN 6240-00-957-5724
NSN 5910-00-185-5742