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 5855-01-618-1921
NSN 6130-00-995-0774
NSN 6150-00-741-6128
NSN 7035-00-727-4068
NSN 6110-01-196-2146
NSN 6645-01-328-1034
NSN 5835-01-110-0697
NSN 6150-00-912-1304
NSN 6220-00-839-7491
NSN 5990-01-199-4832
NSN 6150-01-224-9020
NSN 5960-01-141-6489