6" NH (NST) Female Long Handle x 5" NPSH Male Adapter Aluminum FM15NYFD15F This is a great hose

This is a great hose when durability is a factor

Industrial & Fire Grade 4” NPSH x 5” NH (NST) Double Swivel Female Fitting Anodized Aluminum

Camlock Size (Inside Diameter): 8" Female (Socket)

5" NYFD Female x 1

You don't need couplings because you just want to clamp your hose onto a pipe or shank outlet

6" NH (NST) Female Long Handle x 5" NPSH Male Adapter Aluminum FM15NYFD15F This is a great hoseSpecifications Female Side 1 6 NH (NST) Female (National Hose National Standard Thread) Male Side 2 5 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