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 5945-00-945-2925
NSN 6240-01-317-7924
NSN 6110-00-905-6148
NSN 5945-01-108-7573
NSN 6150-01-284-4262
NSN 6145-01-154-4373
NSN 5935-01-318-3260
NSN 6240-01-187-7758
NSN 6220-01-382-7997
NSN 5905-01-423-4235
NSN 5990-01-045-2129
NSN 4140-01-197-4272