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 5996-01-039-2126
NSN 5945-01-072-3684
NSN 5960-00-104-5955
NSN 5950-01-211-7018
NSN 6135-00-078-9931
NSN 6150-01-360-7204
NSN 6685-01-154-9655
NSN 6145-01-081-3182
NSN 6650-01-355-1271
NSN 5910-01-576-7023
NSN 5990-00-070-0538
NSN 5945-00-269-5375