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 6135-01-210-8715
NSN 6240-01-512-1856
NSN 6130-01-315-1166
NSN 5996-01-551-4801
NSN 4140-00-069-0700
NSN 6240-01-633-9357
NSN 4140-01-380-0324
NSN 6620-00-405-4621
NSN 5998-01-641-7913
NSN 5930-00-879-0100
NSN 5985-01-321-8148
NSN 6130-01-106-2923