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 5930-00-600-6434
NSN 5945-00-759-0131
NSN 5990-01-369-6915
NSN 5960-00-553-7338
NSN 5975-00-583-8625
NSN 6240-01-154-4219
NSN 6220-01-254-9432
NSN 5945-00-617-7966
NSN 4140-01-326-8535
NSN 5910-00-296-8816
NSN 5835-01-528-7454
NSN 6150-00-807-7722