Flight safety critical
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 6110-00-271-9928
NSN 6110-01-643-4898
NSN 6135-01-124-2376
NSN 5965-00-422-5415
NSN 5855-01-332-7594
NSN 6650-00-975-2438
NSN 6130-00-681-1496
NSN 2925-01-226-6126
NSN 5965-01-538-0698
NSN 5935-00-482-9527
NSN 5945-01-493-8688
NSN 6150-01-388-2200