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 5835-01-426-6573
NSN 6150-01-633-3882
NSN 5915-01-608-7428
NSN 5998-00-141-1998
NSN 5950-01-634-0677
NSN 6220-01-288-0416
NSN 5855-01-068-3683
NSN 5975-01-076-2584
NSN 5965-01-204-1423
NSN 5999-00-551-0835
NSN 6610-01-353-4883
NSN 5990-00-879-5000