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 6220-01-360-5525
NSN 6220-00-942-2678
NSN 6610-01-655-4737
NSN 5915-01-550-9703
NSN 6650-01-229-3406
NSN 6610-01-601-7648
NSN 6645-01-131-4129
NSN 5905-01-523-1388
NSN 6645-01-012-0424
NSN 5999-01-240-8246
NSN 5985-01-192-7948
NSN 6145-01-512-8688