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 6240-00-684-8181
NSN 6110-01-146-4183
NSN 5905-01-112-6629
NSN 6145-01-264-4268
NSN 5935-01-035-8116
NSN 4140-00-494-2569
NSN 5985-01-398-0786
NSN 5910-01-541-5950
NSN 6620-00-151-5363
NSN 6105-00-287-8971
NSN 5835-01-094-2662
NSN 5915-01-324-9560