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 5998-01-123-9579
NSN 6620-00-658-6588
NSN 5990-01-375-9273
NSN 6150-00-898-6796
NSN 6110-01-438-4766
NSN 5999-01-044-8325
NSN 5905-00-161-0633
NSN 5920-01-632-9049
NSN 5895-00-897-0058
NSN 6650-01-391-4461
NSN 7035-00-421-8710
NSN 5960-01-641-5493