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 6240-00-443-2725
NSN 5960-01-421-0887
NSN 5945-01-451-9463
NSN 5920-01-087-3725
NSN 6110-01-364-8880
NSN 5945-01-111-8286
NSN 6150-00-726-6885
NSN 5945-00-456-0699
NSN 5835-00-785-7921
NSN 5915-00-838-2780
NSN 5910-01-351-2844
NSN 6220-00-122-3238