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 5999-01-461-9267
NSN 5960-01-425-1454
NSN 5910-01-501-0109
NSN 5895-00-466-3100
NSN 5915-01-016-0505
NSN 6650-00-754-2276
NSN 5950-01-442-9335
NSN 6150-01-415-5864
NSN 6320-01-056-1164
NSN 6610-01-287-9814
NSN 5895-01-173-1476
NSN 7035-01-213-5590