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 5950-01-303-8805
NSN 5925-01-406-2879
NSN 5990-01-200-7460
NSN 6105-01-176-4342
NSN 6145-01-088-7495
NSN 5990-01-559-0578
NSN 5960-00-774-6338
NSN 5985-00-010-3993
NSN 5990-00-980-0379
NSN 6220-01-284-1890
NSN 5985-01-448-6104
NSN 5975-01-489-1470