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 5950-00-784-1138
NSN 5975-01-508-8887
NSN 6620-01-557-1941
NSN 6220-01-364-3000
NSN 6620-01-493-2312
NSN 5975-01-481-5881
NSN 6220-01-004-5765
NSN 5999-01-341-0980
NSN 2925-01-299-6967
NSN 5910-01-290-4803
NSN 6240-00-204-9355
NSN 6150-00-233-8035