With numerous threads, grooves and keyways
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 5905-00-447-5070
NSN 5925-01-054-4226
NSN 5985-01-240-1714
NSN 5950-01-177-4067
NSN 5998-01-546-9210
NSN 5895-00-997-4698
NSN 5910-01-122-9051
NSN 5965-00-072-9942
NSN 6620-01-642-6107
NSN 6645-01-426-8621
NSN 4140-00-978-9590
NSN 6110-01-460-9078