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 6620-01-431-9176
NSN 6650-00-202-4540
NSN 5975-01-239-0187
NSN 5930-00-502-4133
NSN 6610-01-163-7062
NSN 5915-01-389-1065
NSN 6135-01-519-7879
NSN 5910-01-545-9479
NSN 4140-01-271-5265
NSN 6620-01-062-7163
NSN 5990-00-787-7758
NSN 6220-00-484-1017