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 6110-01-217-6240
NSN 6130-01-363-9613
NSN 5895-01-240-7725
NSN 6220-01-488-9416
NSN 6130-01-643-6247
NSN 6150-01-481-4859
NSN 5835-01-307-2009
NSN 5999-01-441-3847
NSN 5960-01-388-8147
NSN 5910-00-164-7649
NSN 6240-01-274-4237
NSN 6620-01-067-5670