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 6240-00-456-2578
NSN 6135-01-106-0984
NSN 5920-01-202-1307
NSN 6645-00-315-9254
NSN 2925-00-671-5464
NSN 5999-01-560-3032
NSN 6620-00-050-1086
NSN 5915-00-597-2369
NSN 5920-01-043-4848
NSN 5990-00-165-1809
NSN 5855-00-885-8452
NSN 6240-00-594-7138