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 5985-01-210-2633
NSN 5935-01-423-9463
NSN 6145-01-332-2148
NSN 5925-01-115-7909
NSN 6145-00-928-6084
NSN 5910-00-912-4746
NSN 6645-01-327-7362
NSN 5945-00-466-2249
NSN 5950-01-572-0951
NSN 5945-00-223-7265
NSN 5910-00-501-0383
NSN 6110-01-418-5541