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 6130-00-975-7629
NSN 5999-00-813-5061
NSN 6220-01-044-0708
NSN 5965-01-633-8849
NSN 5975-01-478-6847
NSN 6110-01-305-2768
NSN 4140-01-438-2806
NSN 5975-01-380-1908
NSN 5915-00-097-8415
NSN 5855-01-118-2228
NSN 5975-01-441-9221
NSN 6240-00-251-5235