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 5920-00-549-2203
NSN 5930-01-249-5917
NSN 5950-00-278-1201
NSN 5990-01-512-9129
NSN 4140-01-649-9621
NSN 5998-01-630-5754
NSN 6135-00-228-8140
NSN 5910-01-210-5323
NSN 5990-00-122-8698
NSN 6135-01-142-2417
NSN 5915-00-059-3584
NSN 6650-01-399-8552