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 5945-01-165-1065
NSN 5975-00-841-5857
NSN 5985-00-100-0140
NSN 6645-01-094-8917
NSN 7035-01-612-0088
NSN 5965-01-556-0967
NSN 5985-01-041-4905
NSN 5950-01-257-2899
NSN 6650-01-199-8589
NSN 6150-01-615-1460
NSN 6150-01-278-3307
NSN 5990-00-716-1869