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 5990-00-189-6649
NSN 5990-01-188-7309
NSN 5905-00-000-0136
NSN 5945-01-497-0549
NSN 6105-01-140-2987
NSN 6135-01-202-8113
NSN 5930-01-480-6240
NSN 6240-01-153-2861
NSN 2925-00-183-4390
NSN 5985-00-223-9821
NSN 6645-00-601-2081
NSN 6620-01-595-7459