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 4140-00-551-3151
NSN 5905-00-932-3797
NSN 5930-01-322-6688
NSN 6145-01-334-1393
NSN 6320-00-731-6134
NSN 5999-01-301-7310
NSN 5910-01-607-0879
NSN 5996-00-061-0336
NSN 6105-01-042-4792
NSN 5999-01-428-4401
NSN 5996-00-329-8926
NSN 5985-01-530-4979