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 5930-00-928-5980
NSN 6240-01-244-0709
NSN 6110-01-327-3282
NSN 5999-00-885-2349
NSN 6145-01-559-9793
NSN 5920-01-357-7165
NSN
NSN 5930-01-248-6415
NSN 5945-01-165-0655
NSN 5915-01-464-4446
NSN 5975-00-035-6524
NSN 5999-00-248-3227