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 5895-00-141-3931
NSN 6645-00-296-8310
NSN 5895-01-142-3440
NSN 6135-01-520-9815
NSN 2925-00-918-0859
NSN 5990-01-025-7466
NSN 5985-01-618-2217
NSN 6240-01-146-4839
NSN 5855-00-318-7185
NSN 6135-01-492-5717
NSN 5975-00-677-7803
NSN 6240-01-048-8172