4" Storz x 6" NPSH Female (Swivel) Adapter Aluminum Brass This 4 inch fire hose

This 4 inch fire hose is made for firefighting per NFPA standards

Equipped with 2-1/2" NH-NST aluminum male & female ends (fire hydrant threads)

5" diameter shall be 1200 psi / 82 bar

5" NST (NH) Female Rigid x 1

4" Storz x 6" NPSH Female (Swivel) Adapter Aluminum Brass This 4 inch fire hoseSpecifications Storz Side 1 4 Storz Female Side 2 6 NPSH Female Swivel (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 Standards 5100