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 5920-01-279-2950
NSN 6645-01-097-5831
NSN 6240-01-052-2488
NSN 5998-01-391-7842
NSN 5910-01-650-1735
NSN 5975-01-644-4780
NSN 6320-01-521-1764
NSN 6220-01-264-3485
NSN 5925-01-322-4366
NSN 6150-01-408-6144
NSN 2925-00-660-8131
NSN 7035-00-349-8571