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 4140-01-288-9671
NSN 5998-01-595-3488
NSN 5920-00-777-6490
NSN 5965-01-633-4899
NSN 6105-01-627-2198
NSN 5920-01-232-1453
NSN 6645-01-121-4584
NSN 5930-01-204-4845
NSN 5965-00-253-1302
NSN 5960-00-275-7497
NSN 6110-00-717-5860
NSN 4140-01-044-6064