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 5925-00-156-4044
NSN 5975-01-155-7500
NSN 5985-01-519-8386
NSN 2925-01-020-5099
NSN 5925-00-111-1969
NSN 5920-01-115-8852
NSN 6610-01-013-6518
NSN 6110-01-177-7483
NSN 5950-00-623-6177
NSN 5985-01-550-2487
NSN 5998-00-019-0861
NSN 5950-01-570-4438