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 5920-01-559-6721
NSN 6685-00-296-0392
NSN 5960-01-067-1448
NSN 2925-01-184-9604
NSN 6320-00-360-1744
NSN 5910-01-015-1945
NSN 6610-00-679-4835
NSN 6645-00-351-8580
NSN 5950-01-447-2839
NSN 6650-01-219-3731
NSN 5960-01-157-2641
NSN 5855-01-511-4046