Second end counterbore, 0.375 in dia, 0.500 in.Deep before threading
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 6620-01-541-4465
NSN 6130-01-411-5452
NSN 5998-00-960-2156
NSN 5999-01-483-4661
NSN 5835-01-205-6614
NSN 5945-00-839-3394
NSN 5915-01-633-9845
NSN 5990-00-226-1152
NSN 7035-01-368-1070
NSN 6650-00-850-3312
NSN 5996-01-375-1535
NSN 5950-00-354-3316