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 5998-01-605-1610
NSN 5985-00-997-2087
NSN 5975-00-849-4084
NSN 5950-01-101-1411
NSN 5985-00-262-9609
NSN 5905-01-053-2744
NSN 5905-01-182-2087
NSN 5999-00-420-1483
NSN 5835-01-150-6084
NSN 6240-01-438-1157
NSN 6620-01-633-5142
NSN 5905-01-576-6986