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 4140-01-330-8141
NSN 5835-01-221-8811
NSN 6320-01-504-3948
NSN 5910-00-139-3017
NSN 5930-00-473-2162
NSN 5945-01-479-6331
NSN 5930-01-479-0410
NSN 6645-00-902-4924
NSN 5990-01-020-6841
NSN 5975-00-880-7644
NSN 5950-01-250-3251
NSN 5965-01-451-2481