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 5930-01-161-0756
NSN 6145-01-330-4550
NSN 6650-01-230-5155
NSN 6320-01-544-2799
NSN 4140-00-541-4202
NSN 6220-01-584-6078
NSN 5895-00-620-0518
NSN 5855-01-608-4351
NSN 5965-00-705-1690
NSN 5920-00-111-2375
NSN 5985-01-119-4155
NSN 6650-01-280-3547