Center step has involute splines 4.485 in. Lg, 30 degrees pressure angle, 1.750 in. Pitch 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 4140-00-354-0400
NSN 6240-00-932-1331
NSN 6130-01-553-3855
NSN 6150-00-510-7875
NSN 6150-01-503-5396
NSN 5935-01-513-9368
NSN 6110-01-276-7681
NSN 6650-00-254-8966
NSN 5905-01-184-3510
NSN 6645-01-168-8465
NSN 5960-01-564-5044
NSN 6135-00-823-3034