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 6645-01-571-6404
NSN 6220-01-304-7500
NSN 6620-01-150-5072
NSN 5990-01-241-2479
NSN 6150-00-474-1311
NSN 6240-01-089-3827
NSN 4140-01-070-0137
NSN 6110-01-483-1521
NSN 5999-00-928-2255
NSN 6135-01-168-2944
NSN 6650-00-885-3775
NSN 4140-00-230-4252