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 5990-01-493-4039
NSN 5910-01-074-3599
NSN 6320-01-583-6809
NSN 6105-01-490-2544
NSN 6620-00-371-7109
NSN 6145-01-420-6369
NSN 6685-01-523-6219
NSN 6645-01-466-9477
NSN 6240-00-539-9770
NSN 5999-01-634-0576
NSN 6220-00-353-5730
NSN 6130-00-519-6192