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 6620-00-529-6275
NSN 6650-01-525-0958
NSN 6130-01-351-5436
NSN 5998-01-525-8926
NSN 5905-01-218-3794
NSN 5905-00-134-9038
NSN 6220-01-549-0259
NSN 5835-01-247-2634
NSN 6105-00-818-4192
NSN 6135-01-090-5365
NSN 6110-00-882-7117
NSN 6220-01-647-8536