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 4140-01-091-5188
NSN 6110-01-316-8638
NSN 5935-01-360-6240
NSN 5920-00-796-6794
NSN 6110-01-286-9902
NSN 5925-01-245-9661
NSN 5985-01-427-3734
NSN 5915-01-423-4642
NSN 5920-00-736-7882
NSN 5975-00-934-8885
NSN 5930-01-600-5060
NSN 5990-01-633-9503