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 4140-01-569-3120
NSN 6320-01-006-6138
NSN 5996-01-103-2474
NSN 5996-01-633-7979
NSN 5998-01-301-4873
NSN 7035-01-113-6492
NSN 5965-01-345-1885
NSN 6145-01-003-0455
NSN 5855-01-088-8700
NSN 4140-01-252-8432
NSN 5915-01-442-8469
NSN 5975-01-210-5444