A circular, single or multipiece, rigid, metallic or nonmetallic item having a centrally located hole with a sharp edge on the inside periphery. It is supplied in various cross-sectional shapes and is designed to be installed in a cylinder, shock strut, or similar device to remove excess oil, dirt, ice, and/or foreign material from a piston, ram, or sliding rod. Excludes packing, preformed; ring, piston; and seal ring, metal.
Classification: Parts of linear acting hydraulic power engines and motors
NSN 4140-00-306-0886
NSN 6240-01-440-9823
NSN 6150-01-340-2811
NSN 5999-01-186-0407
NSN 6320-01-304-3639
NSN 5925-01-016-4069
NSN 5920-00-060-3290
NSN 6110-00-377-3220
NSN 5945-01-393-7912
NSN 6220-01-389-3957
NSN 5935-00-513-9606
NSN 5930-00-254-6109