Bfirst end s.A.E. 1948 standard involute spline 24/48 diametral pitch, flat root 30 degrees pressure angle-.1309 cir pitch .064 (+.0000-.0015) cir tooth thk 14 teeth-cl a tooth side fit. Bore .5437 in. Dia.
No other part numbers with same form, fit, and function found.
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 5985-00-082-5228
NSN 5990-01-299-2014
NSN 6320-01-323-1947
NSN 6620-00-388-0047
NSN 5920-00-126-1873
NSN 5975-01-083-3164
NSN 5965-01-398-0779
NSN 6620-00-241-5264
NSN 5965-01-560-7006
NSN 6320-01-132-2746
NSN 5920-01-044-5621
NSN 6110-00-205-1778