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 6620-00-106-3350
NSN 5920-01-530-2113
NSN 6220-01-185-1136
NSN 6645-00-181-1877
NSN 6240-00-008-1654
NSN 6130-01-170-5085
NSN 6240-00-383-2573
NSN 6150-00-504-3056
NSN 2925-01-218-5556
NSN 5998-01-014-5465
NSN 5996-01-415-1028
NSN 5925-01-472-9133