4.5" NH (NST) Female x 3.5" NPSH Male Adapter Aluminum DFP15NYFD15NYFD so you can easily hook

so you can easily hook your hoses together without headache

or even as a shut off valve

Previous Burst Pressure - 500 PSI *No Longer Valid

Couplings - Both Male & Female 1

4.5" NH (NST) Female x 3.5" NPSH Male Adapter Aluminum DFP15NYFD15NYFD so you can easily hookSpecifications Female Side 1 4. 5 NH (NST) Female (National Hose National Standard Thread) Male Side 2 3. 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