Power steering pump issue(s)

That crank pulley looks very odd to me.
But even odder is the long nose on that pump. Ima thinking A-body sags have shorter noses.You appear to have the bracketry correct.
Try to not give up on the Saginaw as, in my experience, it is far more responsive than the Federals.
I too had a problem finding a pressure hose to fit, but I do not recall what the application was.I looked through the catalog, at the jobber, and selected several. One was a winner.
My K is a 70