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 5930-01-443-3857
NSN 5960-01-131-9733
NSN 5990-00-226-1152
NSN 6650-00-612-9648
NSN 6240-01-607-1480
NSN 4140-00-723-6418
NSN 6130-01-237-3295
NSN 5920-01-248-4934
NSN 5996-01-628-0425
NSN 4140-00-498-4005
NSN 5920-00-204-8125
NSN 6650-01-467-8818