2.5" NH (NST) Female Swivel x 4.5" NH (NST) Male Adapter Aluminum 1-1/2" Inch NPSH Coupling Side 1 2-1/2" or

Coupling Side 1 2-1/2" or 3" NH-NST or NPSH Female

Change Threads From 2" NPT Pipe To 1

You already have your own 1-1/2" Inch couplings and you can connect them yourself

5" NST (NH) To 1" NPSH Male Pipe

2.5" NH (NST) Female Swivel x 4.5" NH (NST) Male Adapter Aluminum 1-1/2" Inch NPSH Coupling Side 1 2-1/2" orSpecifications Female Side 1 2. 5 NH Female (National Hose National Standard Thread) Male Side 2 4. 5" NH 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