5" NH (NST) Female x 3" NH (NST) Male Adapter Aluminum DMH1010 White letters reading "Fire Hose

White letters reading "Fire Hose Keep Clear" on both sides for clear identification of purpose

This is purely a double female adapter designed to hook two male end fire hoses together without reducing diameter

Questions about threads

Easy to pack and store

5” NPT Double Male Fitting Anodized Aluminum

5" NH (NST) Female x 3" NH (NST) Male Adapter Aluminum DMH1010 White letters reading "Fire HoseSpecifications Female Side 1 5 NH (NST) Female (National Hose National Standard Thread) Male Side 2 3 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