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 4140-01-244-2985
NSN 6150-00-393-4697
NSN 5985-00-726-6148
NSN 6650-01-560-0321
NSN 4140-01-206-4981
NSN 5950-01-501-7162
NSN 5975-01-265-0686
NSN 4140-01-177-1445
NSN 6135-01-475-1040
NSN 5990-00-087-6177
NSN 5945-00-412-4204
NSN 5925-01-431-5460