Ellisrv,
The two fittings I got from Amazon are:
1) E-BAYKER Propane Hose Adapter Connector Fitting 3/8" flare M x 1/8" MNPT Fits Propane Single Burner Outdoor Camp Stove Propane Gas Cooker Appliances for LPG Propane Tank Gas Hose - 100% Solid Brass
2) Anderson Metals Brass Tube Fitting, 90 Degree Elbow, 3/8" Flare x 3/8" Female Pipe
There is a good video on this topic on YouTube:
Bob, for me, yes this was a case of using what I already had.