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 4140-01-232-3220
NSN 6685-00-259-3013
NSN 5895-00-143-4194
NSN 5895-01-428-9966
NSN 5975-01-444-1096
NSN 5925-01-021-5365
NSN 6610-01-518-8344
NSN 6320-01-301-4699
NSN 5930-01-305-4090
NSN 6135-00-170-8819
NSN 5998-01-548-5112
NSN 4140-01-174-7310