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 4140-00-764-1005
NSN 6110-01-540-0817
NSN 5905-01-585-2358
NSN 5905-00-558-4206
NSN 5925-01-044-0576
NSN 5855-00-337-3679
NSN 5905-01-400-2442
NSN 6110-01-448-1554
NSN 6240-01-137-1279
NSN 4140-00-237-5797
NSN 6145-00-681-8586
NSN 5999-01-197-6952