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 6130-01-156-1551
NSN 6240-00-591-6836
NSN 6240-01-559-0684
NSN 5950-00-868-7107
NSN 5965-00-419-9590
NSN 5910-01-576-8402
NSN 6650-00-445-1427
NSN 6645-00-012-5834
NSN 6320-01-365-2701
NSN 5965-01-500-2468
NSN 6320-01-353-9753
NSN 5935-00-821-5013