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 6110-00-998-3599
NSN 5945-00-900-4865
NSN 5996-01-386-7421
NSN 5965-01-347-5878
NSN 5960-00-087-0713
NSN 4140-01-206-0364
NSN 5905-00-557-0076
NSN 6620-01-365-1499
NSN 5985-00-995-4709
NSN 5975-01-188-7460
NSN 5920-00-661-0840
NSN 5990-01-365-6016