First end includes internal square drive connection, 0.156 in. Across flates
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 5945-00-204-0041
NSN 5990-01-612-5323
NSN 6645-01-443-4854
NSN 2925-00-596-9775
NSN 5835-01-222-2437
NSN 5945-01-521-6969
NSN 6620-00-290-6505
NSN 5985-01-176-2066
NSN 6105-01-224-7093
NSN 4140-01-591-6540
NSN 2925-01-364-7926
NSN 6650-01-397-1925