I was going to post this here:
https://www.concoursmustang.com/forum/index.php?topic=12896.45and may still if this works the way I think it does.
While looking for yet another lost part I came across my stock appearing metal and rubber hose for the power brake vacuum source.
A few observations and questions.
The metal portion appears to be correct in that it's almost a 45 degree bend (more like 40) and has no bulge at the end like the repops.
Can I just cad plate the whole thing and dull it a bit to get it to look like an original? If I use steel wool I can put lines in it just like the Terne lines.
Was the screw end zinc dichromate (gold)?
My hose has approximately 3 ribs but is otherwise smooth. It looks original.
I gather both ends of the rubber would use crimp clamps? These: