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 5975-00-070-9553
NSN 6320-01-643-0850
NSN 5945-01-440-3430
NSN 6620-01-070-2215
NSN 5895-00-081-3293
NSN 4140-00-920-6393
NSN 6320-01-176-8367
NSN 5895-00-682-4395
NSN 6650-01-446-8752
NSN 5999-01-339-3747
NSN 6685-01-398-5906
NSN 5835-01-347-8714