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 compression-ignition internal combustion piston engines (diesel), nesoi
NSN 5975-00-497-2345
NSN 5998-01-577-6698
NSN 4140-00-679-9512
NSN 5998-01-420-6855
NSN 6135-01-379-1697
NSN 6685-01-116-3422
NSN 6645-00-518-2068
NSN 7035-01-542-2193
NSN 5905-00-171-2652
NSN 6620-00-422-5866
NSN 6610-01-331-6966
NSN 5835-00-958-6231