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 6610-01-367-5110
NSN 6610-01-305-7281
NSN 5935-01-449-1916
NSN 5910-01-443-3016
NSN 5930-00-171-5087
NSN 5998-01-172-4774
NSN 5998-01-657-3036
NSN 5985-01-286-3690
NSN 5985-01-505-0003
NSN 6145-01-392-1116
NSN 5965-01-181-7831
NSN 5935-01-235-7781