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 6220-00-515-6998
NSN 6135-01-500-0572
NSN 5945-01-384-3735
NSN 5910-01-188-2582
NSN 5920-01-271-9140
NSN 5965-00-581-5577
NSN 5975-01-212-8668
NSN 4140-01-535-5538
NSN 4140-00-547-8918
NSN 5910-01-170-2715
NSN 5999-01-072-4561
NSN 4140-01-185-3741