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 5930-01-373-7729
NSN 6130-00-920-4307
NSN 5960-00-222-7772
NSN 6320-01-315-6450
NSN 5945-01-188-5268
NSN 5996-01-391-9585
NSN 6320-01-462-3555
NSN 5950-01-256-8024
NSN 6650-01-251-8520
NSN 5920-01-181-5248
NSN 5965-01-069-0391
NSN 6650-01-044-6179