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 6620-01-392-6180
NSN 6130-00-591-7988
NSN 4140-00-575-6586
NSN 6650-01-091-7846
NSN 5915-00-883-4374
NSN 2925-00-814-8745
NSN 6220-01-188-6962
NSN 6320-01-195-5583
NSN 5950-01-514-8139
NSN 5985-00-725-8311
NSN 5915-01-125-2480
NSN 5935-00-917-3954