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 6645-01-494-3155
NSN 6320-00-313-9114
NSN 6320-01-309-4407
NSN 5855-00-995-2098
NSN 6110-00-840-6560
NSN 5998-00-518-5118
NSN 5950-01-255-7469
NSN 5910-01-089-7080
NSN 5910-01-462-0401
NSN 5950-00-394-1256
NSN 5920-00-006-1919
NSN 6135-01-441-0518