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 5925-01-100-3631
NSN 5990-01-646-8048
NSN 5915-01-025-0868
NSN 4140-00-910-3425
NSN 5985-01-646-0137
NSN 5855-01-525-8017
NSN 5925-01-246-2772
NSN 5990-01-211-6136
NSN 5975-01-527-3906
NSN 6650-00-105-8063
NSN 7035-00-152-0055
NSN 4140-00-463-4276