First end has four internal threaded holes, with thread length of 0.810 inches , located 1.250 inches bolt circle diameter, spaced 90 degrees apart; second end has one additional corss drilled hole, identical to first corss drilled hole, at 90 degree angle between holes
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 5950-01-381-7521
NSN 5945-01-455-9878
NSN 2925-00-073-9375
NSN 5925-00-787-7206
NSN 5998-00-428-2617
NSN 5920-00-004-6372
NSN 6685-01-359-7400
NSN 5985-01-388-0066
NSN 6220-01-276-0827
NSN 5920-01-660-0677
NSN 5998-01-241-4553
NSN 5998-01-132-7734