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 4140-01-420-6263
NSN 6110-01-229-7627
NSN 6105-01-157-2436
NSN 6645-01-480-3962
NSN 6145-00-259-6946
NSN 6320-01-215-6459
NSN 5910-00-076-9429
NSN 6240-01-564-7698
NSN 5905-01-403-2806
NSN 7035-00-529-3128
NSN 6220-00-912-0226
NSN 5996-01-655-1227