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 4140-01-003-6850
NSN 6105-01-228-4479
NSN 5960-01-150-3944
NSN 6145-01-459-2287
NSN 6610-00-061-7882
NSN 6135-00-405-1989
NSN 6105-01-445-7182
NSN 6135-00-900-2139
NSN 6620-01-525-8648
NSN 6620-01-358-7531
NSN 5935-01-386-7565
NSN 6145-00-110-7459