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 4140-01-172-4535
NSN 6135-00-767-0331
NSN 5990-01-431-6749
NSN 5998-01-168-9403
NSN 5895-01-036-6254
NSN 5985-00-754-9618
NSN 6150-00-498-6623
NSN 6650-00-431-9541
NSN 5915-00-728-0647
NSN 6220-01-515-0931
NSN 5855-00-482-9876
NSN 5999-01-204-8661