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 5996-00-025-8026
NSN 5985-00-143-0008
NSN 5998-00-633-5169
NSN 6620-01-242-9247
NSN 5985-01-303-6363
NSN 6650-01-276-2869
NSN 5905-00-071-2005
NSN 5920-01-385-8648
NSN 6145-01-113-8205
NSN 5920-01-466-3162
NSN 6150-01-431-8617
NSN 5895-00-492-6099