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 5950-00-223-5929
NSN 5895-01-627-6748
NSN 5910-01-117-1862
NSN 5990-00-476-4336
NSN 6220-01-454-8317
NSN 5945-01-587-4780
NSN 6135-00-497-0491
NSN 6645-01-044-6376
NSN 5910-01-476-7272
NSN 6130-01-510-4259
NSN 6620-00-961-5426
NSN 2925-01-624-5647