4" NH (NST) Female Swivel x 3.5" NH (NST) Male Adapter Aluminum NPSH x NPT 5" NST couplings x 50'

5" NST couplings x 50' lenghts = 10 hoses total

use electrical glue / waterproof caulk generously

Boat Dock Lining

and valves equipped with 4" inch camlock male or female fittings

Change Threads From 4" NH (NST) Female To 4" NPT Male Pipe

4" NH (NST) Female Swivel x 3.5" NH (NST) Male Adapter Aluminum NPSH x NPT 5" NST couplings x 50'Specifications Female Side 1 4 NH Female (National Hose National Standard Thread) Male Side 2 3. 5" NH Male (National Hose National Standard Thread) 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