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 6240-00-239-0159
NSN 5905-01-228-9009
NSN 5950-01-433-2917
NSN 5990-00-088-7591
NSN 6150-01-165-2089
NSN 5855-00-089-3974
NSN 5930-00-248-6608
NSN 6135-00-911-9321
NSN 6135-00-161-0746
NSN 6110-00-271-9928
NSN 5965-00-362-2158
NSN 5965-01-042-2001