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 5990-01-386-5561
NSN 5905-00-699-9723
NSN 6110-00-363-3974
NSN 5920-00-221-4556
NSN 5925-01-228-9058
NSN 6620-01-189-8153
NSN 5915-00-655-0781
NSN 6110-01-461-7452
NSN 6130-00-959-5800
NSN 6220-01-181-7117
NSN 5960-01-318-0987
NSN 6220-01-107-2613