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 5990-00-524-2293
NSN 6650-01-624-9222
NSN 5905-00-225-9398
NSN 6130-01-433-0121
NSN 6620-01-437-8193
NSN 5935-01-447-9896
NSN 5985-01-256-8484
NSN 5985-01-307-9497
NSN 6145-00-503-6301
NSN 6110-00-878-1414
NSN 5965-01-313-6569
NSN 5990-01-094-6826