2.5" NH (NST) Female Swivel x 4" NPT Female Rigid Adapter Aluminum FM15F15NYFD 5" fire hose coupled with

5" fire hose coupled with NH/NST couplings

Use these hoses when waterproof applications are needed

Industrial & Fire 3” NPT Female x 5" NPSH Male Fitting Anodized Aluminum

That's right

you won't hear anything

2.5" NH (NST) Female Swivel x 4" NPT Female Rigid Adapter Aluminum FM15F15NYFD 5" fire hose coupled withSpecifications Female Side 1 2. 5 NH (NST) Female (National Hose National Standard Thread) Female Side 2 4" NPT Female (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