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 6620-01-423-7300
NSN 6610-00-862-5743
NSN 5935-00-007-3663
NSN 4140-00-264-5796
NSN 5895-01-225-9417
NSN 5895-00-155-4578
NSN 5996-01-508-4599
NSN 5905-00-403-2669
NSN 6650-00-307-3437
NSN 5996-00-422-3328
NSN 5990-01-118-8624
NSN 5835-01-277-0710