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 5920-01-103-4526
NSN 2925-00-136-2612
NSN 5950-00-244-8811
NSN 6685-00-980-4349
NSN 5930-00-853-7390
NSN 5920-01-134-3982
NSN 6620-00-646-9474
NSN 6105-01-425-1718
NSN 4140-01-414-7093
NSN 6220-01-290-1260
NSN 5960-01-573-6483
NSN 6610-00-489-9730