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 6130-01-302-7721
NSN 6610-01-329-9067
NSN 5960-00-689-5813
NSN 5998-01-214-5380
NSN 5985-01-446-6868
NSN 5945-01-055-7486
NSN 6150-00-580-0511
NSN 5905-01-261-6427
NSN 5965-01-322-8136
NSN 6135-00-932-3136
NSN 6130-00-815-3516
NSN 6620-00-942-1751