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 6620-01-560-4497
NSN 5999-01-346-5515
NSN 5925-01-397-8522
NSN 7035-01-019-5729
NSN 5975-00-067-5236
NSN 5945-00-236-7144
NSN 5915-01-315-9450
NSN 5920-01-519-2712
NSN 7035-01-300-1599
NSN 6145-01-296-2096
NSN 6620-00-100-4517
NSN 4140-01-388-7367