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 6620-01-235-3752
NSN 6240-00-103-5296
NSN 6150-01-563-6642
NSN 6650-01-364-7331
NSN 6105-01-477-5508
NSN 5985-01-410-8737
NSN 6145-00-139-3737
NSN 4140-01-134-8940
NSN 5990-01-548-3711
NSN 5975-00-351-7822
NSN 5920-00-063-0532
NSN 6320-01-552-8721