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 4140-01-199-3590
NSN 5915-00-130-1796
NSN 5920-01-551-8929
NSN 2925-00-579-7454
NSN 6135-01-093-7426
NSN 6145-00-905-5590
NSN 5965-00-910-3233
NSN 5999-01-360-4742
NSN 5910-00-014-6593
NSN 7035-01-017-2702
NSN 5930-01-374-4510
NSN 5960-01-649-1341