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 6220-00-313-4386
NSN 6220-01-371-1791
NSN 6135-01-342-3859
NSN 5999-00-139-5976
NSN 5965-01-343-6983
NSN 6105-01-455-7796
NSN 2925-01-359-9818
NSN 6620-01-431-9176
NSN 6145-00-278-0697
NSN 5960-01-072-9340
NSN 5930-01-049-7933
NSN 5985-01-440-6673