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 5999-01-472-1914
NSN 6135-01-026-9960
NSN 5925-01-364-0771
NSN 6220-01-151-5161
NSN 5999-01-565-2212
NSN 4140-01-186-1952
NSN 5950-00-299-7851
NSN 6150-01-409-2001
NSN 7035-00-238-3662
NSN 2925-01-400-2286
NSN 5965-01-608-1573
NSN 6645-00-055-2170