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 5945-01-201-0000
NSN 5925-00-311-2341
NSN 5999-00-660-8480
NSN 6135-01-549-3350
NSN 5920-01-423-8595
NSN 7035-01-555-2949
NSN 5895-01-520-4200
NSN 6145-01-009-0362
NSN 4140-01-238-7887
NSN 6105-01-189-5020
NSN 5910-01-615-0377
NSN 5910-01-312-3931