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 5990-01-104-6703
NSN 6150-01-155-9130
NSN 2925-01-645-2948
NSN 2925-01-217-0465
NSN 5985-01-246-0081
NSN 6105-00-095-6138
NSN 6685-01-513-6928
NSN 4140-01-116-3138
NSN 5920-01-424-0745
NSN 5925-00-229-1893
NSN 6645-01-512-2034
NSN 6645-00-163-3084