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 4140-01-384-3405
NSN 5835-01-617-5121
NSN 5905-00-499-7358
NSN 4140-01-308-6651
NSN 5895-00-401-3537
NSN 6610-00-270-6649
NSN 5935-00-205-9390
NSN 6685-00-204-6037
NSN 5915-00-426-8298
NSN 6240-01-282-6447
NSN 6135-00-321-6707
NSN 5945-00-135-0228