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 4140-00-100-4563
NSN 5985-01-468-4307
NSN 5996-00-613-1761
NSN 5985-00-096-2929
NSN 6610-01-322-4331
NSN 5965-01-415-7080
NSN 6650-01-199-0570
NSN 5915-01-133-7658
NSN 6220-01-461-0304
NSN 5985-00-185-2832
NSN 5965-01-082-9288
NSN 5996-01-426-0977