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 5855-01-655-4035
NSN 6650-01-278-2151
NSN 5855-01-325-3380
NSN 6110-00-560-6990
NSN 6105-01-007-2777
NSN 6650-00-015-1835
NSN 5975-00-249-7940
NSN 5945-01-172-4284
NSN 6150-01-611-4231
NSN 6145-00-182-9797
NSN 6105-01-533-2419
NSN 6130-01-075-6724