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 6610-00-276-8919
NSN 6685-01-500-1810
NSN 5985-01-320-9511
NSN 6650-00-195-7519
NSN 5895-01-045-5418
NSN 5930-01-015-1992
NSN 6620-01-370-6829
NSN 5855-01-641-2006
NSN 6130-01-655-1355
NSN 5950-01-634-0677
NSN 6130-00-161-2418
NSN 6145-00-849-9758