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 5910-01-410-7749
NSN 5895-00-896-6049
NSN 5960-01-489-1510
NSN 5920-01-340-6050
NSN 7035-01-575-1026
NSN 6105-00-148-3670
NSN 6320-00-036-3688
NSN 5965-01-415-2898
NSN 6130-01-540-2744
NSN 5975-01-532-4423
NSN 5990-01-134-2859
NSN 4140-00-170-5152