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 4140-00-274-9638
NSN 5935-01-019-8925
NSN 5930-00-753-7890
NSN 5990-00-602-9750
NSN 6240-00-947-2006
NSN 5915-01-024-8153
NSN 5990-01-288-7393
NSN 6145-01-642-1999
NSN 5999-00-411-6159
NSN 4140-01-279-0556
NSN 6150-00-125-0453
NSN 6145-01-297-2835