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 5855-01-366-2429
NSN 6620-01-365-1499
NSN 4140-00-423-6663
NSN 5996-00-006-5807
NSN 6110-01-367-2165
NSN 7035-00-104-7613
NSN 5985-01-428-7295
NSN 5996-01-287-8311
NSN 5975-01-515-0619
NSN 5965-01-633-8849
NSN 5925-01-379-7734
NSN 5915-00-353-0853