6" Storz x 4.5" NPT Female Adapter Aluminum HA1510F Remember if you don't have

Remember if you don't have a hydrant wrench you'll need to get one

5" NPT Male Threads

and it has cam lock levers for locking the fitting's male groove adapter into female cam couplers

It takes about a minute to hook your hose up with these connectors

Hose Shank Inside Diameter: 2"

6" Storz x 4.5" NPT Female Adapter Aluminum HA1510F Remember if you don't haveSpecifications Storz Side 1 6 Storz Female Side 2 4. 5 NPT Female (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. 2 USDA Standards 5100 190C Tables 1