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 6620-00-060-6801
NSN 6145-01-153-1413
NSN 2925-00-048-7172
NSN 5985-01-197-8118
NSN 6220-00-284-3220
NSN 6130-00-100-0175
NSN 6220-01-359-1593
NSN 5915-00-286-3272
NSN 5950-00-010-1396
NSN 5855-01-532-7513
NSN 4140-01-315-1986
NSN 5996-01-326-2491