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 5930-00-009-1135
NSN 5965-01-466-1154
NSN 5920-00-890-0916
NSN 5996-01-130-2992
NSN 5910-00-477-2523
NSN 5975-01-423-0695
NSN 6650-01-416-0473
NSN 6220-00-643-4045
NSN 5985-00-617-7702
NSN 5835-01-112-9008
NSN 7035-01-008-7248
NSN 6620-01-168-0016