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 5920-01-521-0511
NSN 5985-00-339-2318
NSN 5935-01-262-2146
NSN 6105-00-331-7680
NSN 6110-00-271-9928
NSN 4140-00-431-8675
NSN 6610-01-183-4470
NSN 6620-01-570-4026
NSN 5910-01-117-3020
NSN 6645-01-542-6159
NSN 6240-01-170-3491
NSN 5985-01-372-9589