You senior members are awesome at providing guidance and direction. Speaking for myself, as junior member, I am trying to find the details after your guidance and direction. My two posts above are a place only where one can find the exact part you guys have suggested.
For clarity. When accessing eBay through the website, the filter is in the upper right-hand corner as a drop-box. Generally, it defaults to best match. Click the down arrow for additional options. Select price + shipping: lowest first. Using the eBay application on a mobile phone, click on the word sort.
Annealing the old ones and reusing them is an option.
If I remember correctly, the Russels come with aluminum washers. One member in the northern climates used them and the aluminum deteriorated with year round use and caused leaks.