Fuel line fitting help.

Hello all. 

As best I can figure the pickup tube coming out of my 51 hornet's fuel tank is 1/2-20 sae male.  Which would mean I am looking for a 1/2-20 sae female to a 3/8 barb for a fuel line.  Any leads?  I am sure not the first to run into this issue. 

Thanks all.

Ray

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