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 6620-00-121-4632
NSN 6145-01-032-3693
NSN 6645-01-258-6188
NSN 6130-00-159-8659
NSN 6620-01-396-2149
NSN 5855-01-147-4785
NSN 5999-01-057-3446
NSN 4140-00-800-0317
NSN 6650-00-565-9266
NSN 5895-00-643-3980
NSN 2925-01-233-8545
NSN 5999-01-579-2193