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 5835-01-170-5537
NSN 5915-01-533-3229
NSN 5965-00-175-8972
NSN 4140-00-523-1826
NSN 5945-01-517-9192
NSN 5920-00-188-7373
NSN 5910-01-528-2593
NSN 5930-01-458-4215
NSN 4140-00-388-6829
NSN 5925-01-536-8386
NSN 6685-00-486-5150
NSN 6650-01-505-1127