4.5" NPSH Female LH x 3.5" NPSH Female LH Swivel Adapter Aluminum HA1515 Camlock Male Diameter Sizes: 1"

Camlock Male Diameter Sizes: 1" (Plug)

5” NPSH Female (National Pipe Straight Hose)

but a female NPT fitting will not connect onto a male NPSH fitting

Note: most fire hydrants in the USA are equipped with 2-1/2" Inch NST fittings and / or 4" NST fittings

4.5" NPSH Female LH x 3.5" NPSH Female LH Swivel Adapter Aluminum HA1515 Camlock Male Diameter Sizes: 1"Specifications Female Side 1 4. 5 NPSH Female Swivel (National Pipe Straight Hose) Female Side 2 3. 5 NPSH Female Swivel (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