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 5998-01-124-0945
NSN 5985-00-140-1907
NSN 5920-01-147-4903
NSN 5855-01-410-8979
NSN 5996-00-236-7712
NSN 5915-01-541-8883
NSN 6240-01-033-9717
NSN 6610-01-272-2987
NSN 5935-01-298-3948
NSN 5945-00-278-9482
NSN 5910-01-641-1600
NSN 6135-01-111-1495