Heat treat to rockwell c40-44 permil-h-6875; phosphate coating per mil-p-16232, type m, class 1
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 5910-00-019-0783
NSN 6320-00-937-5625
NSN 5960-00-431-3260
NSN 5895-01-207-0753
NSN 6320-01-532-7491
NSN 5985-00-175-8662
NSN 5905-00-514-1984
NSN 6130-01-503-1855
NSN 5999-01-463-3390
NSN 6135-01-247-5660
NSN 5990-01-524-8535
NSN 5998-00-167-5686