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 6110-01-332-0782
NSN 5975-01-423-8507
NSN 6320-01-607-1491
NSN 5975-01-474-0587
NSN 5950-01-509-0296
NSN 6135-01-223-3869
NSN 6320-00-845-3261
NSN 2925-01-411-4666
NSN 5998-01-555-7400
NSN 5920-01-634-0250
NSN 6645-01-248-3123
NSN 6110-01-425-1449