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 6110-01-164-6521
NSN 5905-01-532-4671
NSN 5999-00-987-1534
NSN 6135-00-488-4478
NSN 5950-00-142-0609
NSN 6130-01-443-3703
NSN 5930-00-330-9115
NSN 5835-00-092-1136
NSN 6150-00-570-0552
NSN 5895-01-146-4890
NSN 5998-00-143-4723
NSN 6620-01-368-1531