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 4140-01-151-4089
NSN 5975-00-623-6460
NSN 5975-01-177-8577
NSN 6135-00-945-0015
NSN 5920-00-372-5864
NSN 6130-01-600-9959
NSN 5895-01-159-6859
NSN 6110-01-139-4646
NSN 5998-01-101-0052
NSN 7035-01-244-9179
NSN 5996-00-194-6532
NSN 6220-01-350-3108