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 6240-00-421-1862
NSN 6150-00-692-7043
NSN 5925-01-478-1110
NSN 6650-01-485-3444
NSN 5920-01-081-5800
NSN 5910-00-526-0694
NSN 2925-01-068-3844
NSN 5996-00-114-1799
NSN 6610-01-310-3313
NSN 6110-01-327-4572
NSN 6145-00-360-7760
NSN 6610-01-648-4460