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 6145-00-952-2872
NSN 4140-00-068-0267
NSN 5835-01-525-3220
NSN 5915-01-221-0363
NSN 5996-00-633-6912
NSN 5965-01-442-9749
NSN 5996-01-356-8000
NSN 5945-01-628-6206
NSN 5905-01-626-0746
NSN 5990-01-360-0711
NSN 5935-01-173-0359
NSN 6645-01-424-4667