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 6220-01-360-1795
NSN 6320-01-445-8192
NSN 5905-01-258-3459
NSN 5915-01-318-9636
NSN 5855-00-631-4565
NSN 5965-01-187-8574
NSN 5998-01-355-2926
NSN 2925-01-285-0919
NSN 6240-01-543-0193
NSN 6645-00-536-1524
NSN 5999-00-989-8333
NSN 5975-00-618-8194