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 6110-01-483-0639
NSN 4140-00-715-9946
NSN 6610-01-119-7180
NSN 5985-00-879-4653
NSN 6145-00-553-8196
NSN 5915-00-340-9803
NSN 5945-00-123-3525
NSN 4140-01-355-8578
NSN 5920-00-209-0443
NSN 5965-01-454-8076
NSN 7035-00-134-3143
NSN 6645-01-466-2083