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 6220-01-271-6121
NSN 5935-01-044-7177
NSN 5990-01-400-3299
NSN 4140-01-337-0495
NSN 6240-01-650-2640
NSN 5930-00-204-8100
NSN 6145-01-303-1000
NSN 5975-01-147-3574
NSN 5855-01-230-4665
NSN 6110-00-374-4805
NSN 5855-00-688-9954
NSN 6610-01-614-3720