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 5945-00-281-1351
NSN 5990-01-253-1332
NSN 5905-00-394-7194
NSN 4140-00-643-3744
NSN 5990-01-448-2751
NSN 5855-01-374-4118
NSN 5975-01-527-1086
NSN 6135-00-477-8847
NSN 6645-00-754-4108
NSN 5925-01-218-4711
NSN 6645-00-935-7046
NSN 6110-01-170-1005