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 6650-01-181-6037
NSN 6610-00-868-9457
NSN 6145-01-459-7436
NSN 6610-01-567-7242
NSN 5985-01-024-9464
NSN 5925-01-393-8257
NSN 5855-00-256-5562
NSN 5895-01-521-1539
NSN 5935-00-637-2643
NSN 5920-01-634-0250
NSN 6610-00-143-7755
NSN 5920-01-182-4940