This is an option to using a tube nut and union to connect a hard line to a AN hose with a female fitting on it. It's a compression fitting, so a
AF108-06BLK - 3/8 HARD LINE TO -6AN MALE
Fittings Archives - WARR Performance LLC
Universal Using for Braided Fuel Lines (Hoses) Oil, Fuel, Water, Fluid and Air Line Assure positive sealing and come in a corrosion-resistant finish.
6AN Male to 3/8 Tubing Adapter Fuel Hardline Tube Fitting, 6 AN Flare to 3/8 inch Hard Line Connector Aluminum Black Anodized
BIG END PERFORMANCE 14315 3/8 TUBE TO -6 ML ADPT BLK
Big End Performance 14315 3/8 Tube to -6 Male Black Hard Tube Adapter
Male 6AN To Male 1/8 NPT Fuel Line Fitting Adapter
Aluminum Hard Line Tubing Fitting 3/8 Tube to 6AN Male
Gear pump custom adapter fitting: 3/8BSPP to -6AN Male
Vibrant Performance -6AN to 5/16 Tube Adapter - Black - 16455
Universal Using for Braided Fuel Lines (Hoses) Oil, Fuel, Water, Fluid and Air Line Assure positive sealing and come in a corrosion-resistant finish.
6AN Male to 3/8 Tubing Adapter Fuel Hardline Tube Fitting, 6 AN Flare to 3/8 inch Hard Line Connector Aluminum Black Anodized
TANSKY Fuel Adapter 6AN or 8AN Male To 3/8 Or 5/16 SAE Quick
Aluminum AN-6 6AN AN6 Straight Male To 5/16 3/8 Tubing
72015-33-16 Green Line Hose & Fittings