Salopian,
What would make the W&S hinge pin any different from any other hinge pin? I have never heard of any gun being known to have a faulty hinge pin. (I have heard of "soft" hinge pins, pins that were not round due to over zealous filing, and pins that were harder than the lumps causing excessive wear, all of these thing being created by less than professional refinishing techniques). Very curious.

Dustin