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 4140-01-555-8190
NSN 5935-01-549-6542
NSN 5975-01-536-2340
NSN 6650-01-123-0111
NSN 6240-00-827-0889
NSN 5945-01-607-5829
NSN 5945-00-398-9665
NSN 5835-01-626-9603
NSN 5950-00-673-3880
NSN 5935-00-957-5224
NSN 5910-01-435-4562
NSN 5935-01-066-6355