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 6110-00-205-1778
NSN 6620-01-460-7877
NSN 5920-00-134-0395
NSN 6610-00-837-3012
NSN 5965-00-471-5018
NSN 6610-00-102-5410
NSN 6150-01-487-2678
NSN 5925-00-891-4079
NSN 5950-01-063-3200
NSN 6620-01-632-2154
NSN 5905-01-382-4770
NSN 4140-00-454-0978