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 5915-00-288-0071
NSN 6130-01-330-8818
NSN 6240-01-154-6840
NSN 6650-01-181-6037
NSN 6220-01-634-0660
NSN 2925-01-062-2660
NSN 6645-01-400-1137
NSN 5905-01-557-1836
NSN 5960-01-449-1310
NSN 5945-01-525-1311
NSN 5998-00-545-9493
NSN 7035-01-062-1692