60 degree centers both ends, optional
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 5975-00-848-6468
NSN 6650-01-016-0406
NSN 6620-00-246-5159
NSN 4140-00-294-3654
NSN 6620-00-273-8735
NSN 5996-00-499-7154
NSN 6220-01-338-2062
NSN 6320-00-809-5744
NSN 6620-01-401-5356
NSN 6220-00-861-4131
NSN 5990-01-285-9478
NSN 6645-01-609-7365