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 6610-01-477-6476
NSN 6240-00-617-9599
NSN 4140-00-042-6423
NSN 5915-01-209-5790
NSN 5835-00-779-2836
NSN 5920-01-352-6650
NSN 5855-01-225-5855
NSN 4140-01-136-9145
NSN 5990-01-552-5386
NSN 6610-00-442-1537
NSN 5999-01-363-6838
NSN 6320-01-150-5378