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 6685-01-571-1861
NSN 5910-01-593-9114
NSN 6150-01-351-1152
NSN 5990-01-327-1558
NSN 5996-00-100-1238
NSN 6110-01-295-4383
NSN 6645-01-278-6973
NSN 5855-01-425-1330
NSN 6320-01-097-5347
NSN 5920-01-634-0250
NSN 6130-01-305-7417
NSN 4140-01-417-2611