Has keyway offcenter 1/2 x 4 inches
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 6150-01-415-2345
NSN 5920-01-445-3521
NSN 5835-01-464-7038
NSN 5855-01-091-2273
NSN 5998-00-248-5758
NSN 5950-00-837-7296
NSN 6620-01-481-1358
NSN 5930-01-368-1785
NSN 6645-00-171-9639
NSN 5920-01-434-8504
NSN 5835-01-315-6571
NSN 5985-01-444-4578