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 5905-01-551-1288
NSN 7035-01-354-9382
NSN 5990-01-632-0969
NSN 5905-01-643-5888
NSN 5999-01-495-0290
NSN 6110-01-573-1847
NSN 5920-01-010-3293
NSN 4140-01-434-3013
NSN 5950-00-763-8108
NSN 5895-00-938-1943
NSN 5998-01-586-4424
NSN 6645-00-862-2904