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 6130-00-639-0666
NSN 6130-01-502-5353
NSN 6610-01-083-1446
NSN 5996-01-360-5635
NSN 6320-01-145-9013
NSN 5920-00-445-0027
NSN 5950-01-306-7026
NSN 5925-00-554-4114
NSN 5985-01-057-9739
NSN 5915-00-520-3852
NSN 6620-01-337-8308
NSN 5960-01-471-8201