Search:

Pin length is critical too, as mentioned

I just happened to have this one come in for repair because it had popped the Pivot Lock Washer.

The pin was too long, and created a spring effect...

Also the Pin


This makes me wonder

"Switched supplied “nail” to similar brass nail."

You have to be careful with Brass Nails aka "Escutcheon pins" ...

Start here

https://www.youtube.com/watch?v=mmwvf8xLKmk