"ITEM CONSISTS OF TWO COUPLING QUICK DISCONNECTS, FEMALE TO FEMALE AND FEMALE TO MALE 1 1/2 NPT; INDEX ""DAPS"" 90 DEG ON THE COUPLING HALFS SO THAT THEY DO NOT INTERFERE WITH EACH OTHR; BEFORE TIGHTENING THREADS PUT POLYTETRAFLUOROETHYLENE TAPE OR ANTI-SIEZE ON THREADS TO PREVENT BINDING. USED TO PUMP FUEL FROM ONE CONTAINER TO ANOTHER"