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 5999-00-454-1632
NSN 5930-00-815-3531
NSN 6130-00-217-7695
NSN 5998-00-594-8460
NSN 6130-01-415-2870
NSN 5930-01-235-5985
NSN 5895-01-317-7778
NSN 6685-00-830-8117
NSN 5835-01-480-3484
NSN 5985-01-369-2926
NSN 5965-01-010-1258
NSN 6110-01-481-1994