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 5950-00-964-7450
NSN 5935-01-237-2652
NSN 6650-01-167-1311
NSN 5915-01-505-8202
NSN 6150-00-505-0531
NSN 5920-00-436-0031
NSN 5895-01-201-2489
NSN 5895-01-615-5032
NSN 5925-01-643-5412
NSN 5925-01-108-7133
NSN 5920-01-494-9401
NSN 5998-01-155-5168