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 5915-00-361-9148
NSN 5998-00-959-6885
NSN 6650-00-344-9500
NSN 5855-01-527-7098
NSN 5925-00-485-2851
NSN 5835-01-529-3050
NSN 5960-00-136-7046
NSN 6220-00-270-6996
NSN 5975-01-065-3828
NSN 6105-01-224-9267
NSN 5835-00-907-4390
NSN 5935-01-661-1896