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 5930-00-903-1207
NSN 6220-01-587-9932
NSN 6685-01-628-2999
NSN 5855-01-089-2248
NSN 5996-00-185-9376
NSN 4140-00-702-7963
NSN 5985-01-501-5411
NSN 6240-01-350-3533
NSN 6645-01-570-3215
NSN 5999-00-035-9288
NSN 5945-01-329-8993
NSN 6150-00-452-1086