Click to expand Tap to zoom Crown Industries 5/8" Flare x 1/2" MIP Gas Adapter by Crown Industries Sold out $ 2.67 SKU GFS54M 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Sold out 5/8 OD Flare x 1/2 MIP (Tapped 1/2" FIP) Gas End Fitting Adapter.