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 5998-01-116-1187
NSN 6645-01-613-7389
NSN 5975-01-510-0115
NSN 4140-00-437-7858
NSN 6150-01-482-2452
NSN 6145-01-412-1297
NSN 6610-01-263-8999
NSN 6320-01-476-7476
NSN 6650-01-139-9534
NSN 6650-01-499-1784
NSN 6240-00-617-1818
NSN 5985-01-089-8621