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 6130-01-088-0030
NSN 6650-01-498-2633
NSN 5905-00-995-2388
NSN 6110-01-274-7774
NSN 5910-01-389-1885
NSN 5998-01-200-4867
NSN 6620-01-225-4566
NSN 6150-01-245-8701
NSN 5999-01-329-6284
NSN 6620-01-594-6311
NSN 5935-00-434-6018
NSN 6220-01-229-3722