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 for spark-ignition internal combustion piston engines, nesoi
NSN 6620-01-417-8110
NSN 6110-00-719-4220
NSN 6610-00-895-3854
NSN 6650-01-526-1710
NSN 5930-01-513-8813
NSN 5950-01-077-3728
NSN 5975-01-538-6114
NSN 5910-01-257-8239
NSN 6610-01-007-4252
NSN 6645-00-270-6817
NSN 6610-01-326-0119
NSN 5960-01-163-2266