The AN side of the flare is sealed by a 37 degree angle and the NPT side is sealed by a 60 degree tapered thread.
EVIL ENERGY AN Male to Male Flare Coupler Union Straight Hose
EVIL ENERGY Male NPT to Hose Barb Fitting 45 Degree Aluminum
EVIL ENERGY 6AN Female to 6AN Male Flare 90 Degree
Size: The thread size of 6AN is 9/16-18 UNF and that of metric side is M12 x 1.5mm. Sealing: The AN side of the flare is sealed by a 37 degree angle
EVIL ENERGY 6AN Male Flare to M12 x 1.5mm Male Metric Fitting Adapter Aluminium Alloy 2PCS
EVIL ENERGY NPT Male Hex Head Plug Aluminum – EVILENERGY
EVIL ENERGY 6AN Flare Male Tee Fitting Adapter with
EVIL ENERGY AN Male to SAE Quick-Disconnect Male EFI Fitting
EVIL ENERGY 6AN Male Flare Tee Fitting Adapter T Union
DEWHEL 2pcs Aluminium 6AN Male Flare to 1/4NPT Pipe
EVIL ENERGY 6AN Male Flare to M16x1.5 O Ring Seal
EVIL ENERGY AN Male to Hardline Compression Fitting Adapter
AdlerSpeed Aluminum 6AN Male Flare to 1/4 NPT Male