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 5990-01-336-3976
NSN 5925-00-539-8372
NSN 5895-00-823-9473
NSN 6620-01-546-4942
NSN 6620-01-406-6840
NSN 5910-00-180-0221
NSN 5925-01-437-9172
NSN 4140-01-518-3780
NSN 6110-00-469-2517
NSN 6645-01-520-5690
NSN 5998-00-074-3991
NSN 5920-00-050-0714