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 5915-01-132-6577
NSN 5930-01-400-6126
NSN 2925-01-089-6269
NSN 6645-00-994-6664
NSN 6110-00-218-4737
NSN 5960-01-203-9814
NSN 6135-00-100-8890
NSN 5999-01-141-7721
NSN 5925-01-634-0664
NSN 5998-00-843-1125
NSN 6645-01-255-7024
NSN 6135-01-482-1290