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 5915-01-220-2979
NSN 5960-00-688-3940
NSN 5945-01-523-3470
NSN 2925-01-462-1620
NSN 5998-00-485-9684
NSN 5990-00-851-2793
NSN 5855-00-149-0766
NSN 5960-00-938-7569
NSN 6130-00-051-5986
NSN 5945-00-587-5507
NSN 6685-01-634-0611
NSN 7035-00-193-2269