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 4140-01-509-2490
NSN 5855-01-145-4903
NSN 2925-01-072-7101
NSN 5915-00-356-0189
NSN 6130-01-334-9320
NSN 6150-01-100-7614
NSN 5935-00-735-6439
NSN 6130-00-070-2998
NSN 5935-01-158-2211
NSN 5925-00-068-3940
NSN 6645-01-445-5235
NSN 5920-00-598-0469