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 4140-01-270-7464
NSN 2925-01-528-7333
NSN 6135-00-097-8162
NSN 5905-00-079-9348
NSN 6650-00-107-8509
NSN 5960-00-275-2990
NSN 5920-01-121-8022
NSN 6220-01-463-3896
NSN 5985-00-280-8057
NSN 5985-01-328-2868
NSN 5998-01-156-6735
NSN 2925-01-196-6187