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 6240-00-361-1421
NSN 6220-01-262-0140
NSN 5915-00-267-2783
NSN 6610-01-444-1490
NSN 6620-01-499-3884
NSN 7035-01-178-7732
NSN 5915-00-312-8011
NSN 5935-00-864-5940
NSN 5835-01-359-2575
NSN 5998-00-471-9477
NSN 6145-01-134-0835
NSN 6220-01-458-4368