Thread size of 6AN male coupler is 9/18-18 UNF, can use to splice or extend a line, works with female thread fitting.
2 × 6AN to 6AN Male Flare Coupler Union Straight Fuel Hose Adapter Fitting Black
2PCS 6AN to 6AN Male Flare Coupler Union Straight Fuel Hose Adapter Fitting
6AN to 6AN Male Flare Coupler Union Straight Fuel Hose Adapter Fitting 2 PCS
4 × 6AN to 6AN Male Flare Coupler Union Straight Fuel Hose Adapter Fitting Black
4Pcs 6AN to 6AN Male Flare Coupler Union Straight Fuel Hose Adapter Fittings NEW
2PC -6 AN Hose Fitting ORB 6AN to 6AN Male O Ring Boss Fitting Fuel Line Adapter
