4.5" NPT Female (Rigid Long Handle) x 5" NPT Male Adapter Aluminum SM250F 5" NST Female to 1

5" NST Female to 1

but you decide what you need to use it for

Fire Hydrant Hose Adapter (Female to Male) Anodized Aluminum

we sell it as "used fire hose" and it's suitable to be used for water transfer

4.5" NPT Female (Rigid Long Handle) x 5" NPT Male Adapter Aluminum SM250F 5" NST Female to 1Specifications Female Side 1 4. 5 NPT Female (National Pipe Tapered) Male Side 2 5 NPT Male (National Pipe Tapered) 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 Through 8. 2 USDA