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 6610-01-238-5559
NSN 5975-00-518-1733
NSN 5855-01-450-5609
NSN 6220-01-618-5343
NSN 5990-01-633-9503
NSN 6645-01-063-5383
NSN 7035-00-104-7613
NSN 6220-01-520-3316
NSN 6650-01-454-5175
NSN 5990-00-400-4794
NSN 6620-01-574-6774
NSN 5998-00-967-0166