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 6135-01-106-5542
NSN 4140-00-225-8586
NSN 4140-01-532-3713
NSN 5915-01-441-7857
NSN 6645-00-155-2398
NSN 6645-01-079-9216
NSN 6320-01-450-7513
NSN 6320-00-394-8458
NSN 5996-01-582-4467
NSN 6135-01-036-0432
NSN 5985-01-155-4191
NSN 5999-00-226-0109