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 6240-00-181-2503
NSN 6620-01-165-1033
NSN 5835-01-622-2556
NSN 5996-01-045-9105
NSN 5910-01-633-9963
NSN 5910-01-437-3535
NSN 6145-01-098-0125
NSN 6220-00-269-3783
NSN 5965-01-556-4337
NSN 5985-01-563-7481
NSN 5960-01-245-6088
NSN 6145-00-669-6795