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 6620-01-411-5750
NSN 6105-01-603-4595
NSN 6650-01-653-2556
NSN 6645-01-199-0062
NSN 5905-01-132-4352
NSN 5910-01-454-7662
NSN 6240-00-129-6653
NSN 5855-00-832-9341
NSN 5996-00-614-9310
NSN 5965-00-647-3972
NSN 5930-01-195-8076
NSN 5935-01-395-3016