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 4140-01-519-9343
NSN 5960-01-649-1341
NSN 6645-01-576-9896
NSN 5915-01-029-2040
NSN 5950-00-512-8033
NSN 5930-00-710-6917
NSN 6610-01-391-5092
NSN 7035-00-973-9215
NSN 6145-01-566-2732
NSN 6320-01-610-4410
NSN 4140-01-436-4755
NSN 5910-01-463-2429