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 4140-01-478-5637
NSN 6320-01-519-8767
NSN 5990-01-376-8930
NSN 5920-00-492-5516
NSN 6650-00-241-0970
NSN 5996-01-632-8592
NSN 6240-01-110-4166
NSN 5999-00-369-1623
NSN 6130-01-255-9731
NSN 6685-00-191-0541
NSN 5835-01-558-9444
NSN 6150-00-361-9880