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 6610-01-506-0044
NSN 6110-00-553-8816
NSN 6110-01-576-9899
NSN 5965-01-612-3799
NSN 5915-00-804-8989
NSN 5945-01-633-9134
NSN 5998-01-431-9329
NSN 6610-01-563-4312
NSN 6130-01-431-9019
NSN 6610-01-370-3886
NSN 5998-00-078-1389
NSN 6645-01-111-1144