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 5990-01-546-1649
NSN 6240-01-443-8851
NSN 6145-00-097-9437
NSN 5999-00-740-8259
NSN 5895-00-197-2852
NSN 5915-01-460-0433
NSN 6220-00-149-0977
NSN 6220-00-949-0024
NSN 5930-01-031-7929
NSN 5996-01-595-5830
NSN 2925-00-925-0545
NSN 5998-01-548-6149