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 6620-01-222-8820
NSN 5985-00-597-2966
NSN 5960-00-060-1397
NSN 6645-00-933-2170
NSN 6105-01-269-7117
NSN 5925-01-437-4032
NSN 5930-01-469-9191
NSN 6610-01-136-1189
NSN 5835-00-083-3014
NSN 6610-01-627-8985
NSN 5935-01-331-7077
NSN 5835-01-580-0446