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 5835-01-342-7975
NSN 6110-00-728-4515
NSN 6610-01-227-1692
NSN 6620-01-471-8128
NSN 6110-01-392-0498
NSN 5855-01-286-2916
NSN 7035-01-604-0698
NSN 6650-01-010-4204
NSN 6130-01-129-4979
NSN 6220-01-371-3430
NSN 4140-01-529-9935
NSN 5996-00-952-3452