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 5930-01-564-6000
NSN 5930-00-064-8137
NSN 6650-01-279-0658
NSN 6220-01-142-5840
NSN 5985-01-061-5194
NSN 5996-01-307-4403
NSN 5945-01-392-3583
NSN 6145-01-123-7019
NSN 6110-00-504-0748
NSN 5975-01-497-7491
NSN 4140-01-310-8608
NSN 5999-01-166-2160