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 5855-01-603-9045
NSN 5960-01-425-1454
NSN 5855-01-100-3272
NSN 6620-00-836-0399
NSN 5925-00-188-8678
NSN 2925-00-925-0545
NSN 6145-01-513-9750
NSN 5965-00-342-5126
NSN 5935-01-417-5627
NSN 5895-01-537-8957
NSN 6135-01-547-6822
NSN 6220-01-227-4152