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 4140-01-180-5576
NSN 5855-01-409-1792
NSN 7035-01-572-8258
NSN 5920-00-964-4538
NSN 5935-00-505-0815
NSN 6240-00-703-6614
NSN 5996-01-390-4028
NSN 4140-00-969-3943
NSN 5930-01-560-0872
NSN 5915-01-583-2229
NSN 7035-01-333-9298
NSN 5950-01-266-6673