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 6320-01-123-2476
NSN 5930-01-434-8879
NSN 5905-01-196-6154
NSN 4140-01-113-3153
NSN 5855-00-014-5008
NSN 7035-00-252-7467
NSN 5945-01-169-4247
NSN 6650-01-442-0267
NSN 5996-01-371-2958
NSN 2925-01-043-9786
NSN 5920-01-587-9083
NSN 5935-01-581-8468