W/external keys
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 6610-00-604-0045
NSN 6130-00-653-4228
NSN 5999-01-210-7199
NSN 6220-01-459-6969
NSN 4140-01-145-4474
NSN 5855-01-236-9645
NSN 5925-01-550-9653
NSN 5999-00-578-3500
NSN 6110-01-528-1489
NSN 6320-01-067-0474
NSN 6130-01-150-0783
NSN 6650-01-485-3444