2nd end thds no.6-40 unf-2a
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 7035-01-239-7297
NSN 2925-00-494-5537
NSN 6220-01-142-3148
NSN 6620-01-299-3130
NSN 7035-01-129-7834
NSN 6610-01-153-0700
NSN 5985-01-014-0038
NSN 5999-00-466-3226
NSN 5999-00-435-7002
NSN 5960-00-875-9823
NSN 6240-01-417-2976
NSN 5835-01-521-4979