Special Features:

8internal threads 0.875 x 32 un-3b on second end of shaft; 0.281 diameter through and 0.420 diameter x 0.250 to 0.280 deep counter sunk (6) equally spaced mounting holes on 4.625 pitch circle; next higher assembly nsn 3040-01-492-8053; used on nssn class submarine

Properties:

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.