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 6240-01-104-4494
NSN 6645-01-172-6838
NSN 6240-01-253-0687
NSN 7035-00-455-5706
NSN 6145-00-993-1916
NSN 6320-00-228-5678
NSN 6610-01-250-2811
NSN 6685-00-538-8656
NSN 5855-01-195-2518
NSN 6650-01-500-8046
NSN 6685-00-237-4138
NSN 5998-01-092-3248