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 4140-01-383-1605
NSN 6645-01-437-9017
NSN 5990-00-834-5393
NSN 5915-01-153-7557
NSN 6620-00-956-2605
NSN 5945-00-814-1787
NSN 6650-01-071-6577
NSN 5905-00-093-7990
NSN 5945-00-211-2613
NSN 5930-00-921-1160
NSN 6645-00-618-9496
NSN 6650-00-468-8071