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 5998-00-405-1137
NSN 5950-01-618-3175
NSN 5965-01-199-7235
NSN 4140-01-627-2540
NSN 5920-00-888-7737
NSN 5945-01-390-9576
NSN 5950-00-445-5032
NSN 5915-00-518-1644
NSN 5975-01-146-1603
NSN 6130-00-361-7114
NSN 5999-01-139-6241
NSN 6145-01-445-4146