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 6220-01-442-3662
NSN 5925-01-490-6296
NSN 6110-01-227-9439
NSN 6620-01-015-2470
NSN 6150-00-559-8369
NSN 6650-01-485-3444
NSN 6620-01-051-2045
NSN 4140-01-611-7131
NSN 5999-00-278-5563
NSN 6645-01-608-1134
NSN 6645-01-118-8526
NSN 6145-01-448-0832