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 6145-00-263-6989
NSN 4140-01-279-7609
NSN 5999-00-836-0639
NSN 6610-01-602-3744
NSN 5996-00-116-7498
NSN 6650-01-421-5355
NSN 6650-01-132-6860
NSN 2925-00-925-0545
NSN 6135-00-763-5793
NSN 6145-01-021-7811
NSN 5920-01-425-2754
NSN 6620-01-334-8938