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 5935-01-470-1238
NSN 5910-00-424-3051
NSN 6620-01-578-7561
NSN 6610-00-947-7595
NSN 6620-00-770-9794
NSN 6685-00-979-1221
NSN 5915-01-175-5736
NSN 2925-00-383-3523
NSN 6685-00-737-5211
NSN 5999-01-594-5709
NSN 4140-00-255-9260
NSN 5920-00-561-1309