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 2925-00-614-1758
NSN 5990-00-679-6157
NSN 6135-01-235-4168
NSN 7035-01-557-7142
NSN 5996-00-701-1862
NSN 6320-01-519-8767
NSN 5990-01-537-1124
NSN 6620-01-201-4176
NSN 5985-01-137-3767
NSN 6105-01-296-1822
NSN 5985-01-128-4619
NSN 6105-01-155-4041