After some years of service, my hunting flasks are starting to leak a little bit as the cork inside the screw caps has dried and shrunk. I’ve temporized by adding some plastic discs cut to size, but now that the season is ending, I’d like to replace the corks properly.
Has anyone replaced the cork in their flask lids themselves? Any tips or tricks? Any tips on sourcing the cork?
Just type cork into Google Search;
Thank you!!
Believe it or not I did several google searches and kept coming up with every other variation of cork stopper 
Appreciate the assistance!
Any tips for the process?
How hard is it to push cork into a lid ??
(cork should be an incey wincey bit larger in diameter than the threads on the cap, so it won’t fall out)
Actually, one of the flasks is proving to be quite difficult.
I picked the (possibly original) cork out of the flask lid and it consisted of layers of cork disks that were at this point quite dessicated and rotted. The new cork pieces were not deep enough to fit the flask lid, so I carefully measured and cut down a wine cork to fit. It popped into the lid quite easily, but my measurements must have been off by a millimeter or two as I was not able to close the flask lid. Getting it back out again was a struggle, I had to pick it apart with a pair of needle nose pliers, all while holding my breath that I wouldn’t damage the flask in the process.
I’m going back to the drawing board to try to find a more suitable piece of cork or cut another wine cork down a little bit differently.
Go to Lowes or Home Depot. In the nuts and bolts aisle you’ll find odd things that are stocked in pull out drawers. In one of the drawers will be a selection of corks. Then use a new, sharp utility knife to cut cork sections until you create a slice with the seal you want.
Thank you, I will check it out.
I feel a bit of a fool here, I recut another cork and sized to squeeze in snugly and fit with a seal when the cap is closed. However, the inside of the “bubble” of the lid is pretty roomy, so once squeezed into the lid the cork is a bit loose inside that bubble (unless the cap is closed, which holds it into place). I’m debating if I should glue it in or just ad some small cork slices around the sides to tighten it.
Nice flask
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