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 5915-01-124-5422
NSN 5920-00-532-2635
NSN 5945-01-544-3300
NSN 6650-00-163-3077
NSN 5990-00-357-8103
NSN 5920-01-206-9947
NSN 6145-01-370-4317
NSN 5915-00-349-9465
NSN 5975-01-606-9379
NSN 6105-00-717-8998
NSN 6650-01-089-3292
NSN 6220-00-484-5937