6" NPT Female (Rigid Long Handle) x 4.5" NH (NST) Male Adapter Aluminum FM25F15F 2" NPSH Female Swivel x

2" NPSH Female Swivel x 2" NPT Male Pin Lug Adapter

makes it "water tight"

then you've found what you're looking for

Important note: GHT (garden hose thread) is not the same as NPT (national pipe tapered)

5” NH (NST) x 4” NH (NST) Double Male Fitting Anodized Aluminum

6" NPT Female (Rigid Long Handle) x 4.5" NH (NST) Male Adapter Aluminum FM25F15F 2" NPSH Female Swivel xSpecifications Female Side 1 6 NPT Female (National Pipe Tapered) Male Side 2 4. 5 NH (NST) Male (National Hose National Standard Thread) Working Pressure 300PSI Max Test Pressure 1000PSI Max Material T 6061 Aluminum (Aircraft Grade) Finishing Anodized (99. 9% Lead Free) NFPA Standards 1963, 4. 12, 5. 1 5. 6. 4 (Corrosion Resistance) Military Standards MIL A 8625 Type III, Class 1 Industrial Standards International ASTM B221 UL Labs Standards 236 8. 1