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 5990-01-311-3710
NSN 6135-00-050-7189
NSN 5910-01-249-3081
NSN 6620-01-103-7508
NSN 5930-01-181-1473
NSN 6650-00-113-7698
NSN 6105-01-023-7887
NSN 5975-00-938-2494
NSN 6240-00-841-0189
NSN 2925-00-679-8131
NSN 6320-01-429-9871
NSN 5930-01-250-5001