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 6110-01-481-1614
NSN 6130-01-512-2247
NSN 6320-01-622-5493
NSN 5960-00-804-9034
NSN 6610-01-234-5542
NSN 2925-01-433-4374
NSN 5920-01-549-5277
NSN 5998-01-555-9767
NSN 6620-01-230-0197
NSN 5855-00-494-9581
NSN 6620-01-183-8959
NSN 5930-01-484-2694