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 4140-01-118-8436
NSN 6620-01-179-0779
NSN 6220-01-659-9722
NSN 5905-01-518-2631
NSN 5895-01-259-4385
NSN 5996-01-090-4683
NSN 5920-01-083-4995
NSN 6240-01-536-3604
NSN 5930-01-231-5880
NSN 6610-00-708-7330
NSN 2925-01-516-0124
NSN 6110-00-269-2696