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 4140-00-128-8072
NSN 6240-01-411-8851
NSN 5835-01-625-8604
NSN 5975-00-203-8416
NSN 5960-00-525-1898
NSN 5930-01-290-1915
NSN 2925-00-144-6405
NSN 5910-01-512-2300
NSN 5935-01-019-8034
NSN 6220-01-305-7210
NSN 5910-01-484-4498
NSN 5930-01-364-0798