I've checked all the sites listed under Parts Dealers, but none of them seem to carry the screw I'm looking for.  They're more about ear pads, etc.  

Here's a picture of the screw piece in question :      

Yeah, the threads seem to be fine.  It's just that the screw is literally broken between the piece that slots into the headband and the nut that holds it in.   edit: After looking at the thread you linked, I think the screw I'm talking about is much smaller.  It's maybe an inch long and the...

Recently, I made the mistake of leaving my dear D5000s on the end of my bed, and they fell (maybe a 2-3 foot drop).  Nothing seemed to be broken, other than that one of the ear cups had detached from the headband.  It seemed that the screw holding it there had sheared.   Now, try as I might...