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 4140-01-447-3141
NSN 6110-00-991-4517
NSN 5855-01-350-5540
NSN 5910-01-089-8758
NSN 5985-01-562-4447
NSN 5905-00-043-2606
NSN 5985-01-571-8941
NSN 5998-00-925-8649
NSN 5999-01-349-4840
NSN 4140-01-032-0718
NSN 5999-00-387-8565
NSN 5905-01-486-6167