A shaft having two or more different diameters (greater than 0.031 inches (0.79 millimeter)) along its length. It must have one or more of the following conditions: a specified surface finish designation in the range 1 to 125 microinches (0.025 to 3.2 micrometers) arithmetical average (aa), machined peripheral flat(s), circular groove(s), keyway(s), splines, threads, or holes. The ends and/or shoulders may be machined to accommodate bearings, couplings, and the like. It is not designed for use in aligning by fitting into corresponding holes of another item. For items used to support rotating members see axle(1), shouldered. For items not having any of the above conditions see pin, shoulder, headless. Excludes shaft(1), straight; and axle(1), straight.
Classification: Transmission shafts and cranks, except camshafts and crankshafts
NSN 5920-01-604-5820
NSN 6320-01-481-7322
NSN 6240-00-167-2467
NSN 5999-00-908-4118
NSN 6320-00-725-0754
NSN 5975-00-938-3794
NSN 5985-01-157-9910
NSN 5996-00-096-2604
NSN 6130-01-004-0723
NSN 5985-01-508-4743
NSN 5950-00-480-5161
NSN 6110-00-222-3317