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 5920-01-343-0294
NSN 5975-01-398-7374
NSN 6150-00-099-6919
NSN 5930-01-059-2674
NSN 5925-01-457-2091
NSN 5990-00-617-1422
NSN 5999-00-186-0058
NSN 5855-01-540-6238
NSN 6220-01-112-6919
NSN 6220-01-617-7535
NSN 5985-01-534-2588
NSN 5990-00-761-9160