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 5945-01-012-1510
NSN 6150-00-089-9503
NSN 5950-00-557-6279
NSN 6135-01-449-0625
NSN 6620-01-523-2273
NSN 5915-01-050-8214
NSN 5930-01-461-9042
NSN 2925-01-146-0278
NSN 6620-00-247-7427
NSN 5998-00-673-2880
NSN 5998-01-113-8236
NSN 6650-01-116-5856