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 4140-01-015-5137
NSN 6620-00-190-8109
NSN 6610-01-103-4627
NSN 6110-01-507-4452
NSN 5905-01-007-9281
NSN 6650-01-272-0974
NSN 5950-01-359-7227
NSN 5985-01-047-3527
NSN 5925-01-213-1343
NSN 5960-01-628-2760
NSN 5950-01-474-3920
NSN 6130-01-320-2655