4" NPT Female x 4.5" NH (NST) Male Adapter Aluminum FM10F10T The hose while curved to

The hose while curved to a radius of 27" (69 cm) shall not burst at less than 600 PSIG (4200 kPa)

or local fire hydrants

& other straight pipe threads)

This hose is dirty

4" NPT Female x 4.5" NH (NST) Male Adapter Aluminum FM10F10T The hose while curved toSpecifications Female Side 1 4 NPT Female (National Pipe Tapered) Male Side 2 4. 5 NH (NST) 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 Standards 236 8. 1