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 6620-01-541-4465
NSN 6240-00-617-9599
NSN 5855-00-879-7245
NSN 5975-01-576-4048
NSN 6135-01-437-6409
NSN 5925-00-950-2467
NSN 6145-01-607-2612
NSN 5910-01-642-0467
NSN 6150-01-124-5540
NSN 5905-00-433-4348
NSN 6105-01-350-0308
NSN 6645-01-086-1411