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 5990-01-591-8797
NSN 2925-01-374-2402
NSN 4140-01-450-6405
NSN 5985-01-231-2519
NSN 5915-01-172-9864
NSN 5975-01-551-0958
NSN 5975-01-044-8950
NSN 5999-01-289-5257
NSN 6610-01-352-6169
NSN 6220-00-887-2637
NSN 6240-01-484-6712
NSN 5855-01-324-3756