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 5975-01-160-6435
NSN 6645-00-183-8812
NSN 4140-00-213-6562
NSN 5905-00-517-8503
NSN 5950-01-458-2175
NSN 5990-01-552-1503
NSN 6240-01-490-6922
NSN 6110-00-628-9386
NSN 7035-01-512-1826
NSN 7035-01-085-5955
NSN 5910-01-322-7546
NSN 5985-00-248-4978