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 5915-01-585-4204
NSN 5930-00-964-9297
NSN 6150-01-424-1530
NSN 2925-01-113-6904
NSN 6320-01-072-2073
NSN 5920-01-212-1536
NSN 7035-00-631-3782
NSN 5950-01-484-4360
NSN 5998-01-557-9272
NSN 6610-01-438-9285
NSN 2925-01-424-0235
NSN 6135-01-512-8740