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 6320-01-521-1764
NSN 6150-01-054-3983
NSN 6145-00-027-0146
NSN 6220-01-370-9438
NSN 6620-01-573-5794
NSN 6135-01-386-1452
NSN 6220-01-072-7575
NSN 6150-00-033-5848
NSN 5925-01-604-8985
NSN 6110-01-056-4964
NSN 5999-01-219-3123
NSN 6645-01-480-0662