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 5905-01-644-2435
NSN 6105-01-577-0014
NSN 5835-01-604-7489
NSN 5990-00-202-5127
NSN 5930-00-184-8329
NSN 6645-00-287-9192
NSN 5965-01-041-8139
NSN 5835-01-078-2187
NSN 6135-00-542-6216
NSN 6130-01-364-1751
NSN 6110-00-263-6664
NSN 5835-01-469-6009