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 6645-01-511-3272
NSN 6620-00-959-6614
NSN 7035-01-008-7248
NSN 5999-01-646-6383
NSN 5855-01-599-6143
NSN 6105-01-218-5911
NSN 5985-01-397-8543
NSN 5990-00-200-5232
NSN 5996-01-338-8848
NSN 5905-01-339-2053
NSN 5950-00-290-8090
NSN 6220-00-541-8515