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 6320-00-108-7049
NSN 2925-01-525-8212
NSN 6685-01-161-4531
NSN 5975-01-551-1172
NSN 5930-01-461-5821
NSN 5905-01-012-9760
NSN 6105-01-432-7919
NSN 6105-00-567-7226
NSN 6645-00-177-4729
NSN 4140-01-572-8090
NSN 6135-01-293-3066
NSN 5930-01-092-3789