3" NPT Female x 6" NPSH Male Adapter Aluminum FM3025F if you drag them across

if you drag them across the pavement or concrete and encounter something relatively sharp theres a slight possibly a pin hole might happen

5" NYC Male Threads

5" NYFD female side of adapter can hook into 1

All items guaranteed to pass fire inspections

3" NPT Female x 6" NPSH Male Adapter Aluminum FM3025F if you drag them acrossSpecifications Female Side 1 3 NPT Female (National Pipe Tapered) Male Side 2 6 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