4" NPT Male x 5" NPSH Male Adapter Aluminum HA20S15T Pipe nipples are used to

Pipe nipples are used to allow items with different threads to be connected together

If you want to pump during cloudy days or evening hours

Change Threads From 2" NPSH Female Pipe To 2" NPT Male Threads

Service Pressure - 150 psi

Flat Measurement - 6

4" NPT Male x 5" NPSH Male Adapter Aluminum HA20S15T Pipe nipples are used toSpecifications Male Side 1 4 NPT Male (National Pipe Tapered) Male Side 2 5 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 236 8. 1 Through 8. 2 USDA