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 5945-01-228-0638
NSN 6220-01-433-6951
NSN 5920-01-567-6959
NSN 5915-00-840-8508
NSN 6110-01-346-0028
NSN 5975-01-250-2940
NSN 5990-00-281-4164
NSN 6650-00-155-5827
NSN 4140-01-445-5945
NSN 6105-01-428-2340
NSN 6645-00-819-5045
NSN 5855-01-122-9418