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 5990-01-400-3299
NSN 5996-01-377-3743
NSN 4140-01-125-5187
NSN 5895-01-193-3918
NSN 6240-00-116-7442
NSN 6135-01-484-8637
NSN 5945-00-507-6436
NSN 4140-00-933-9401
NSN 5985-01-634-0635
NSN 6135-00-990-1822
NSN 5930-00-605-2853
NSN 6610-01-390-6925