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 4140-01-384-3998
NSN 5998-00-098-3196
NSN 5905-01-201-4983
NSN 5950-00-478-4331
NSN 2925-01-217-0465
NSN 6620-01-032-3937
NSN 5990-01-550-7827
NSN 5895-00-458-2480
NSN 5998-01-403-2586
NSN 7035-01-340-2993
NSN 7035-01-537-0033
NSN 6130-00-369-6637