Largest shoulder has 2 each threaded holes through 0.110 inches diameter, no.6-32 nc-3b csk 90 degrees x .16 di (underside)
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 5990-01-503-0194
NSN 7035-01-500-5998
NSN 5915-01-497-1914
NSN 5975-01-067-2507
NSN 5935-01-546-6353
NSN 5996-01-329-3408
NSN 6130-01-350-5833
NSN 5915-00-520-8468
NSN 6620-00-578-5851
NSN 6620-01-181-1757
NSN 5895-01-390-5764
NSN 6105-01-477-4744