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 5945-01-650-6411
NSN 6620-00-714-6966
NSN 5975-00-914-1075
NSN 2925-01-571-6472
NSN 6685-01-463-1845
NSN 5920-00-147-3164
NSN 5950-01-501-9768
NSN 5935-00-900-3177
NSN 5835-01-030-7887
NSN 6620-00-221-7526
NSN 6685-00-222-1306
NSN 5990-01-655-1437