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 5855-01-423-1768
NSN 5910-01-417-2597
NSN 5950-01-094-7243
NSN 6620-01-010-0518
NSN 5930-01-224-0243
NSN 5990-01-112-3177
NSN 5965-01-294-1396
NSN 5895-01-192-8813
NSN 6105-01-469-1716
NSN 6650-01-437-8852
NSN 5915-01-461-8673
NSN 5945-01-090-8526