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 5975-00-505-2626
NSN 5960-01-394-3846
NSN 5975-01-232-4231
NSN 6645-01-360-2866
NSN 5855-01-178-6396
NSN 6135-01-201-5858
NSN 5996-01-459-8014
NSN 5999-01-177-2902
NSN 6105-00-922-6031
NSN 4140-00-393-1707
NSN 6130-00-266-7496
NSN 6150-01-477-8853