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 6145-00-515-6931
NSN 6650-01-031-5243
NSN 2925-00-343-3235
NSN 2925-01-415-2140
NSN 2925-01-531-2587
NSN 4140-01-521-1469
NSN 5985-01-101-4419
NSN 5835-01-519-2916
NSN 6105-01-612-6198
NSN 4140-01-277-2548
NSN 6135-00-715-4001
NSN 5895-01-408-1906