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 5925-01-215-2119
NSN 5975-00-788-7225
NSN 5965-01-548-8823
NSN 5835-01-069-2359
NSN 5999-00-815-8784
NSN 5975-01-401-5355
NSN 5945-00-844-1790
NSN 6645-01-258-9272
NSN 6240-01-495-9845
NSN 5975-01-629-9237
NSN 4140-01-382-9283
NSN 6110-00-474-9550