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 4140-00-992-6215
NSN 6610-00-061-7882
NSN 6220-00-485-1428
NSN 5999-01-611-8478
NSN 6145-01-058-7193
NSN 6650-01-177-4398
NSN 6620-00-325-4693
NSN 5920-00-918-7550
NSN 5960-00-204-7506
NSN 5975-01-290-0121
NSN 5965-01-074-1991
NSN 4140-00-776-4705