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.
NSN 5935-01-299-4515
NSN 5930-00-843-0830
NSN 5920-01-559-0536
NSN 5930-00-266-8175
NSN 5895-00-515-6368
NSN 4140-00-820-1173
NSN 6135-01-568-9107
NSN 6620-01-633-8443
NSN 5999-01-205-5027
NSN 5915-01-220-9560
NSN 6240-01-023-7720
NSN 6145-01-158-4833