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 4140-00-902-7744
NSN 5925-01-254-2578
NSN 6145-00-327-1954
NSN 6240-01-411-6902
NSN 6150-01-520-4083
NSN 5998-01-481-9297
NSN 5905-00-808-8257
NSN 5985-00-754-5426
NSN 6650-01-162-2881
NSN 6620-01-135-0090
NSN 5910-01-572-9036
NSN 6150-01-274-9604