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 4140-01-317-4441
NSN 6105-01-168-8335
NSN 5905-00-830-7356
NSN 5935-01-160-0721
NSN 5996-01-025-3611
NSN 5915-01-091-9568
NSN 5910-00-188-8686
NSN 6650-00-809-1817
NSN 6610-01-440-0604
NSN 6135-01-167-0759
NSN 5999-00-677-9861
NSN 5990-01-065-0492