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 4140-01-576-1341
NSN 5965-01-432-4583
NSN 5960-01-469-5874
NSN 6320-01-478-9351
NSN 5895-01-411-3141
NSN 5925-00-125-0853
NSN 5950-01-098-0527
NSN 5975-01-581-0057
NSN 6135-01-415-9741
NSN 6620-01-200-6493
NSN 5965-00-977-5658
NSN 5999-00-107-5622