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 6240-00-858-0389
NSN 6220-01-634-0660
NSN 5910-01-595-6126
NSN 4140-01-323-1685
NSN 7035-00-275-5604
NSN 5998-00-269-2135
NSN 5910-00-197-8920
NSN 6685-01-555-1436
NSN 6240-01-174-1907
NSN 5945-01-152-2780
NSN 6620-01-304-3864
NSN 5930-01-574-7601