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 4140-01-168-1993
NSN 5990-00-888-3736
NSN 6645-00-256-4072
NSN 6685-01-449-4984
NSN 5945-01-634-0588
NSN 5975-01-589-0424
NSN 5999-01-290-3888
NSN 6610-01-284-6968
NSN 5998-01-519-8943
NSN 6620-00-067-4946
NSN 6130-01-520-3859
NSN 6685-01-422-3431