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 6130-01-252-5431
NSN 5998-01-156-0509
NSN 5950-01-416-9915
NSN 6220-01-146-4469
NSN 5910-00-934-8855
NSN 6320-00-456-0836
NSN 6135-00-078-9931
NSN 5985-00-017-2114
NSN 5910-00-230-0533
NSN 5950-01-114-7081
NSN 5960-01-498-0572
NSN 5945-00-839-0329