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 5855-01-208-1471
NSN 7035-01-521-3449
NSN 4140-01-328-1948
NSN 5950-01-027-0695
NSN 6220-00-783-0207
NSN 5910-01-088-8204
NSN 5855-01-512-1926
NSN 5950-00-753-7577
NSN 4140-00-008-8750
NSN 6240-01-357-5134
NSN 5960-01-142-1995
NSN 5990-01-185-9835