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 6645-00-025-4771
NSN 4140-00-305-1023
NSN 5950-01-302-6617
NSN 5985-00-937-2135
NSN 5996-01-069-2915
NSN 4140-01-324-4642
NSN 6150-00-163-1895
NSN 5960-01-465-6847
NSN 6320-00-322-3460
NSN 6110-01-413-4941
NSN 5895-01-527-8095
NSN 6220-01-513-6490