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 6620-01-643-6817
NSN 2925-01-510-9378
NSN 6220-00-253-4952
NSN 5920-01-279-5010
NSN 5960-00-870-8262
NSN 5950-00-597-3661
NSN 6220-00-901-1291
NSN 5905-01-640-7422
NSN 6320-01-440-8771
NSN 5855-01-191-3404
NSN 5996-01-481-5152
NSN 5999-00-042-5355