Internal splines second end
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 6650-00-701-8081
NSN 5965-00-682-3567
NSN 5835-01-167-1824
NSN 5999-01-228-6342
NSN 6135-00-209-6918
NSN 6650-01-437-8852
NSN 5950-01-406-4603
NSN 6220-00-371-7589
NSN 6240-01-100-4158
NSN 6685-01-574-0782
NSN 5996-00-753-1599
NSN 6685-01-642-3341