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 5930-00-375-6755
NSN 5960-00-116-9989
NSN 5960-00-959-3341
NSN 5905-01-100-4759
NSN 5960-00-078-1643
NSN 6620-01-222-0143
NSN 6130-00-825-5320
NSN 5895-00-278-8092
NSN 6610-01-408-9557
NSN 5930-01-157-2740
NSN 6135-00-835-7211
NSN 7035-00-124-9383