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 4140-01-571-4080
NSN 5975-01-126-3116
NSN 4140-01-582-7022
NSN 4140-01-347-7842
NSN 5835-01-340-7722
NSN 2925-00-265-7539
NSN 5965-00-170-5254
NSN 6105-01-617-7085
NSN 5998-01-171-7860
NSN 6645-00-663-8111
NSN 4140-01-100-1223
NSN 5925-01-365-0436