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 6610-00-155-1334
NSN 5990-01-216-1276
NSN 6105-00-426-5430
NSN 5990-01-055-4012
NSN 5985-00-930-5707
NSN 5895-01-145-2608
NSN 6135-00-505-0679
NSN 5920-01-447-5828
NSN 5895-01-503-3932
NSN 5930-01-279-9954
NSN 7035-01-245-9585
NSN 5835-01-160-7282