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 6240-01-141-5230
NSN 5910-01-583-2403
NSN 5945-01-307-2493
NSN 5855-01-128-1762
NSN 5985-01-123-3002
NSN 5925-01-614-4833
NSN 5895-01-492-9461
NSN 2925-00-215-4954
NSN 5855-01-063-6340
NSN 6240-01-299-1627
NSN 6150-01-348-9684
NSN 6620-00-764-3057