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 5910-00-171-3058
NSN 5835-01-177-1092
NSN 6240-00-541-7032
NSN 6685-01-492-1025
NSN
NSN 2925-00-328-2018
NSN 5930-01-440-9032
NSN 5925-01-049-1289
NSN 5960-00-450-3541
NSN 5945-01-573-2655
NSN 5985-00-807-8250
NSN 5960-00-055-0741