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 6645-00-664-4665
NSN 5998-01-416-4216
NSN 5835-01-173-1578
NSN 6105-00-966-8629
NSN 6650-00-698-5869
NSN 6620-00-602-5832
NSN 6220-01-036-3278
NSN 2925-00-180-2532
NSN 6240-01-014-9044
NSN 4140-01-141-4022
NSN 5915-00-189-4679
NSN 2925-00-338-4667