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 4140-01-146-0157
NSN 5945-00-313-6491
NSN 6105-01-044-8070
NSN 6685-01-063-0181
NSN 5925-01-567-6164
NSN 6645-01-439-4240
NSN 6150-00-840-5847
NSN 6240-01-415-3014
NSN 5855-01-428-9456
NSN 5950-01-165-7089
NSN 5975-00-760-6340
NSN 6150-01-459-8026