200A and 202 reproduction
frames back
in stock.
SloMetalDoc
Evening all,
Got around to reassembling my newly acquired 522 burner and while installing the Packing nut on the coupling between the nut and the valve, I found the threads on the coupling to be thrashed - looks like mainly corrosion damage.  The nut threads are 3/8-?TPI  and the valve body threads are much finer (3/8-40 perhaps?).

Since the threads were already iffy, a 1/8NPT cap seemed to grip enough to compress some packing tape, but I'd like to see if I can get this sorted a little smarter.

I seem to recall a similar coupling used on other stoves/lanterns - but cant seem to place it.  Any ideas other than whittling a new coupling?

Thanks!

522.jpg 
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