3.5" NPSH Female x 2.5" NPT Male Adapter Aluminum HA25NYC76 5” NPSH x 5” NPT

5” NPSH x 5” NPT Double Male Fitting Anodized Aluminum

That does have much better abrasion resistance"

Hooks directly into fire hydrant

5" NST (NH) Female x 2" NPT Male Hex Adapter

Change Threads From Female 2" NPSH Female Pipe To 2" NPT Male Pipe With An Easy Swivel Adapter

3.5" NPSH Female x 2.5" NPT Male Adapter Aluminum HA25NYC76 5” NPSH x 5” NPTSpecifications Female Side 1 3. 5 NPSH Female (National Pipe Straight Hose) Male Side 2 2. 5 NPT Male (National Pipe Tapered) 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.