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 6145-00-996-8879
NSN 6135-01-585-8174
NSN 2925-01-014-0118
NSN 5910-01-447-2842
NSN 5998-00-935-2510
NSN 5855-01-180-5369
NSN 5945-01-440-9874
NSN 5920-01-413-5266
NSN 5996-01-524-6646
NSN 5915-01-499-2205
NSN 5950-00-975-9825
NSN 6650-01-231-4169