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 6610-00-998-8764
NSN 5996-01-437-8824
NSN 5950-01-422-0467
NSN 5835-01-088-1787
NSN 5945-00-941-6737
NSN 5965-01-084-6921
NSN 6240-01-647-8035
NSN 6650-01-423-8131
NSN 6645-00-892-5750
NSN 6320-01-283-9370
NSN 6150-01-563-0242
NSN 6105-00-386-8565