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 5975-01-142-2927
NSN 2925-01-647-7225
NSN 6130-01-469-6643
NSN 6135-01-199-1185
NSN 6320-01-489-6044
NSN 5905-00-108-8618
NSN 6145-00-417-7534
NSN 5930-01-413-5009
NSN 5920-01-430-5001
NSN 6150-00-960-4987
NSN 5910-01-421-6036
NSN 6145-00-586-9463