3" NPSH Male x 4" NH (NST) Male Adapter Aluminum HA4525F 8" sizes NPT female (National

8" sizes NPT female (National Pipe Tapered)

Change Threads From 3" NPT Pipe To 3" NST (NH) Fire Hose Hex

Change Threads From 1" NPT Pipe To 1" NST (NH) Fire Hose Hex

Agricultural / Irrigation

3" NPSH Male x 4" NH (NST) Male Adapter Aluminum HA4525F 8" sizes NPT female (NationalSpecifications Male Side 1 3 NPSH Male (National Pipe Straight Hose) Male Side 2 4 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