3" NPT Female x 4" NPSH Male Adapter Aluminum FM25F30F 5" NPT Male side of

5" NPT Male side of adapter can hook into 1

We guarantee our Used Brass Fog Nozzle

Fire & Industrial 4” NPT x 5” NH (NST) Double Male Fitting Anodized Aluminum

but it appears that it was designed to be mounted

NPT - (National Pipe Tapered) Tapered pipe threads

3" NPT Female x 4" NPSH Male Adapter Aluminum FM25F30F 5" NPT Male side ofSpecifications Female Side 1 3 NPT Female (National Pipe Tapered) 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. 2 USDA