Copper brake hose washers

doubt they are the correct size but Ford 9" uses copper crush washers on the 3rd member bolts.

Grainger


SUR&R Brake Line Washer Assortment Kit, Copper - 52HH33|BRC7 - Grainger!

I googled the part number in the Ebay add and found a lot of sellers even summit


Rockauto
https://www.rockauto.com/en/tools/hardware,washer,copper+washer,158

Oreilly Autoparts
https://www.oreillyauto.com/shop/b/.../05c58f5eb961?q=Washers&prodAttr_10427=Copper