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 6220-00-079-0178
NSN 6135-01-422-1440
NSN 6240-01-076-1793
NSN 5930-00-817-3963
NSN 6650-00-532-8125
NSN 5910-00-420-1227
NSN 5990-00-529-8767
NSN 6105-01-218-2140
NSN 5895-01-364-0298
NSN 5950-01-258-0578
NSN 6650-00-375-6632
NSN 5910-00-515-3586