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 6240-01-555-8649
NSN 5975-01-409-2948
NSN 6610-01-523-2958
NSN 6320-01-501-7935
NSN 6610-01-020-0586
NSN 5930-01-337-6110
NSN 5998-00-466-3001
NSN 5895-00-998-6854
NSN 5925-00-521-2527
NSN 5925-01-651-3059
NSN 5985-00-614-2744
NSN 5925-00-492-5322