4.5" NH (NST) Female (Rigid Long Handle) x 4" NPSH Male Adapter Aluminum FM1010 this is a great way

this is a great way to stretch your budget if you are a volunteer fire department

5" NH/NST (Fire Hose Threads) or 1

pumper protection & clean-up applications

It won't be pretty but it'll work

water pumps

4.5" NH (NST) Female (Rigid Long Handle) x 4" NPSH Male Adapter Aluminum FM1010 this is a great waySpecifications Female Side 1 4. 5 NH (NST) Female (National Hose National Standard Thread) Male Side 2 4 NPSH Male (National Pipe Straight Hose) 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