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 6610-00-905-6780
NSN 5990-00-212-4316
NSN 5925-01-632-1897
NSN 5915-01-145-3070
NSN 5998-00-834-7122
NSN 5920-00-173-4434
NSN 6110-01-310-1549
NSN 5965-01-229-0786
NSN 5920-01-600-6889
NSN 5855-01-125-4768
NSN 6135-01-498-7945
NSN 6240-00-755-6904