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 5985-00-482-4576
NSN 6240-01-124-0374
NSN 6240-01-326-1841
NSN 6240-00-939-7859
NSN 6240-01-278-9825
NSN 6645-00-953-4170
NSN 6130-01-566-0474
NSN 5945-00-062-4848
NSN 5920-00-427-2985
NSN 5925-01-486-9990
NSN 6145-01-634-0388
NSN 6320-01-433-3953