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 6620-01-447-2172
NSN 5910-01-332-9298
NSN 6320-00-456-2092
NSN 5996-01-185-9733
NSN 6620-01-571-7727
NSN 6645-01-116-9634
NSN 5910-01-539-0127
NSN 6135-01-148-8531
NSN 5998-01-483-1426
NSN 5920-01-018-2596
NSN 5855-00-149-0766
NSN 6135-01-122-4448