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 6130-00-797-8681
NSN 6130-01-331-5690
NSN 2925-01-577-0004
NSN 6150-01-057-8918
NSN 5985-01-573-4463
NSN 5910-01-478-0195
NSN 6610-00-292-9895
NSN 6685-01-320-7010
NSN 5915-01-092-2545
NSN 4140-00-751-1694
NSN 5930-00-152-5123
NSN 5930-01-349-6781