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 6620-01-331-4001
NSN 2925-00-862-8550
NSN 5999-01-209-0356
NSN 7035-01-004-8819
NSN 6650-01-562-6772
NSN 5998-00-633-5169
NSN 5950-01-222-1021
NSN 5985-01-319-6856
NSN 5835-00-583-1316
NSN 5975-01-073-5103
NSN 6220-00-617-9616
NSN 6240-01-646-8381