Size: Thread size of 4AN male coupler is 7/16-20 UNF, 6AN male coupler is 9/16-18 UNF. Application: Male to male flares coupler usually used in fuel system, such as fuel hose extend, line connect to fuel filter, fuel pump, cooler system.
1-Pack 6AN Male to 5/16" Quick-Disconnect Female Fuel Rail Fitting Aluminum.
2 Pcs 6AN AN-6 TO 1/2” NPT Male Thread Aluminum Blue Anodized Fitting Adapter
2 Pcs Aluminum 6AN to 1/2" NPT Male 90 Degree Elbow Fitting Adapter
6AN to 6AN Male Flare Coupler Union Straight Fuel Hose Adapter Fitting 2 PCS
2 Pcs 8AN Female to 6AN Male Flare Reducer Hose Fitting Adapter AWS US
