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 6240-01-160-7934
NSN 4140-00-903-5799
NSN 6145-01-221-3105
NSN 5910-01-252-1383
NSN 6685-00-131-2200
NSN 5998-01-583-3239
NSN 5960-01-418-4875
NSN 5945-01-328-7929
NSN 5975-01-043-3084
NSN 5990-00-501-2641
NSN 5998-01-383-5939
NSN 5930-01-519-8000