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 5950-00-878-1124
NSN 5950-00-648-5349
NSN 5960-00-245-2645
NSN 6650-00-276-9838
NSN 6150-00-776-2738
NSN 4140-01-359-7829
NSN 5855-01-598-5136
NSN 5905-00-299-2111
NSN 5998-00-875-6321
NSN 6645-00-057-3499
NSN 6610-00-907-7834
NSN 5950-01-057-6846