With 40 tooth spline starting 1.5 inches from end; length of spline 3.710 inches ; with 20 degree pressure angle and 3.900 root dia.
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 2925-00-156-0999
NSN 6320-01-242-8355
NSN 6650-00-791-1637
NSN 5925-01-392-1112
NSN 6620-00-439-2442
NSN 6320-01-160-0416
NSN 4140-01-451-0361
NSN 4140-01-367-2395
NSN 6130-01-222-0475
NSN 5985-01-343-4607
NSN 5996-00-313-9180
NSN 5950-01-322-5513