5" NPSH Female (Rigid Long Handle) x 4" NPSH Male Adapter Aluminum DMH2520 Threaded Size (Inside Diameter): 1"

Threaded Size (Inside Diameter): 1" Female NPT (National Pipe Tapered)

There shall be a minimum of 21

which means small leaks or pinholes may be present when you run water through them

5” NH (NST) Female x 2" NPT Male Fitting Anodized Aluminum

The Blue 2-1/2" x 25' Feet Double Jacket Fire Hose With Aluminum Fittings

5" NPSH Female (Rigid Long Handle) x 4" NPSH Male Adapter Aluminum DMH2520 Threaded Size (Inside Diameter): 1"Specifications Female Side 1 5 NPSH Female (National Pipe Straight Hose) Male Side 2 4 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.