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 6320-01-364-1840
NSN 6145-01-648-3781
NSN 4140-00-078-2944
NSN 5930-00-931-5051
NSN 6650-01-099-4340
NSN 6650-00-011-3435
NSN 6645-01-421-2445
NSN 5935-01-262-7947
NSN 5910-01-613-7900
NSN 5935-01-083-1100
NSN 5996-01-276-5680
NSN 5996-01-188-8792