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 5920-01-141-6885
NSN 5975-01-193-0043
NSN 6645-00-003-5945
NSN 7035-01-490-3832
NSN 5950-01-099-9591
NSN 5855-01-423-9921
NSN 6135-00-315-1187
NSN 5920-00-087-8994
NSN 6620-00-278-7313
NSN 6650-00-952-2754
NSN 5996-00-057-9879
NSN 4140-01-199-7432