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 6150-01-228-2847
NSN 6320-01-564-0893
NSN 6220-00-878-7301
NSN 5990-00-421-3193
NSN 6130-01-467-9028
NSN 5996-00-320-2798
NSN 6610-01-398-8092
NSN 6650-00-862-7143
NSN 5910-01-472-3794
NSN 6685-01-452-3263
NSN 6110-01-468-3840
NSN 6240-01-072-9652