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 5950-01-062-3449
NSN 5915-00-370-4813
NSN 5960-01-387-8467
NSN 5835-01-366-5907
NSN 5895-00-284-3005
NSN 5999-00-078-9890
NSN 5950-01-428-4020
NSN 5855-01-604-6106
NSN 6620-01-649-0748
NSN 5910-01-172-2557
NSN 6320-00-977-3930
NSN 5965-00-801-1131