4.5" NH (NST) Female (Rigid Long Handle) x 5" NH (NST) Male Adapter Aluminum FM25F30F 4" NPSC Male (National Pipe

4" NPSC Male (National Pipe Straight Coupling)

they encounter something relatively sharp

Many of our units have never been used

High Quality Fire Extinguisher 5lbs

You don't need couplings because you just want to clamp your hose onto a pipe or shank outlet

4.5" NH (NST) Female (Rigid Long Handle) x 5" NH (NST) Male Adapter Aluminum FM25F30F 4" NPSC Male (National PipeSpecifications Female Side 1 4. 5 NH (NST) Female (National Hose National Standard Thread) Male Side 2 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