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 5905-00-416-6831
NSN 2925-01-027-1293
NSN 5999-01-109-4238
NSN 6220-00-074-4224
NSN 6645-01-605-1485
NSN 5905-00-222-4322
NSN 6320-01-422-0765
NSN 6105-01-277-4124
NSN 6135-01-439-8669
NSN 4140-01-463-0172
NSN 7035-01-086-8095
NSN 6135-01-592-4139