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 4140-01-146-4474
NSN 5895-00-041-3495
NSN 5930-01-446-0194
NSN 6620-00-472-5146
NSN 2925-01-100-3694
NSN 6240-01-644-7623
NSN 5996-00-143-4783
NSN 6130-01-155-8308
NSN 6150-01-634-0575
NSN 7035-01-169-6551
NSN 5905-01-030-6209
NSN 6685-01-081-5952