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 5910-01-391-0618
NSN 6105-01-125-0318
NSN 5905-00-537-4070
NSN 6105-01-548-8436
NSN 6150-00-205-4487
NSN 5996-00-583-9498
NSN 6240-01-591-7302
NSN 6135-00-567-1322
NSN 6610-01-505-3495
NSN 6645-01-608-0586
NSN 6610-00-911-6492
NSN 6645-00-905-7258