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 5910-01-391-6580
NSN 4140-01-114-1943
NSN 5990-00-724-4375
NSN 5950-01-215-1500
NSN 5935-00-615-5348
NSN 5998-00-224-1889
NSN 2925-00-078-0525
NSN 5835-01-519-3834
NSN 5985-00-406-0389
NSN 6685-01-391-4402
NSN 5855-01-341-7320
NSN 6650-01-442-6467