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 6240-00-455-7640
NSN 5990-00-956-9130
NSN 5920-01-599-4432
NSN 5999-01-192-5495
NSN 5915-01-413-9209
NSN 5835-01-553-6772
NSN 7035-01-085-5955
NSN 5965-01-360-0454
NSN 6110-01-422-1572
NSN 5965-01-131-4078
NSN 5960-01-443-9681
NSN 5930-01-660-3904