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 5920-00-581-4538
NSN 5975-00-442-3500
NSN 6650-00-503-3918
NSN 5855-01-141-8227
NSN 6150-01-285-4667
NSN 6110-01-057-2586
NSN 6150-00-583-9878
NSN 5905-01-634-0595
NSN 5910-00-212-5969
NSN 5945-01-369-2733
NSN 6135-01-475-1040
NSN 6135-01-382-1980