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 4140-00-722-4407
NSN 7035-01-382-4413
NSN 5975-00-847-1244
NSN 6645-01-326-0747
NSN 5998-01-633-7525
NSN 5925-00-059-4991
NSN 5996-00-961-3250
NSN 5965-01-197-6924
NSN 5975-01-042-8440
NSN 6135-01-045-1504
NSN 7035-01-500-8606
NSN 6150-01-142-3406