Nha 1621
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 6610-01-352-5500
NSN 5930-00-788-2876
NSN 6620-01-308-2692
NSN 6645-01-537-1066
NSN 5910-01-246-4510
NSN 5935-00-618-0209
NSN 5998-00-133-4513
NSN 5910-01-407-2518
NSN 4140-01-422-0439
NSN 5935-01-513-6024
NSN 6645-01-603-8455
NSN 6320-01-560-7177