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 6110-01-287-9607
NSN 4140-01-314-8251
NSN 6685-01-364-8552
NSN 6650-01-067-8946
NSN 5905-00-418-4426
NSN 6240-01-429-7830
NSN 5930-00-418-2501
NSN 5925-00-001-7446
NSN 6240-01-366-6946
NSN 5910-00-518-4608
NSN 5905-01-456-4583
NSN 6685-01-420-4006