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 6240-00-786-6170
NSN 6150-01-201-3766
NSN 6135-01-297-5565
NSN 5950-00-835-3925
NSN 6645-01-546-8226
NSN 5975-01-254-1639
NSN 6110-00-010-4545
NSN 6145-01-300-2983
NSN 2925-01-399-2765
NSN 6620-01-183-1900
NSN 6650-01-100-6560
NSN 5905-01-360-6976