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 4140-01-258-4044
NSN 5910-01-346-4223
NSN 5960-00-940-7976
NSN 5999-00-171-6906
NSN 5935-00-182-8746
NSN 6320-00-456-0836
NSN 5998-01-356-5641
NSN 6645-01-461-7704
NSN 4140-00-616-1347
NSN 6610-00-186-9180
NSN 5996-01-552-5742
NSN 6145-01-174-8353