2.5" NH (NST) Female x 2.5" NPT Male Adapter Aluminum HA1515 Clear rubber inside liner

Clear rubber inside liner

Note: A female NPT will not attach to an NPSH male

but if you're using heavy duty fixed systems

Guaranteed tested & ready for operation

4" NPT Male x 4" NST (NH) Male

2.5" NH (NST) Female x 2.5" NPT Male Adapter Aluminum HA1515 Clear rubber inside linerSpecifications Female Side 1 2. 5 NH (NST) Female (National Hose National Standard Thread) Male Side 2 2. 5 NPT Male (National Pipe Tapered) 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