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 4140-01-359-5302
NSN 5999-01-558-8492
NSN 5905-00-394-7194
NSN 6135-01-243-5797
NSN 6645-00-006-6387
NSN 5965-01-360-6568
NSN 5945-01-392-1068
NSN 5996-01-276-8835
NSN 2925-01-661-0650
NSN 5960-01-243-7291
NSN 5950-01-144-2879
NSN 6320-01-386-3491