4.5" NH (NST) Female x 4" NH (NST) Male Adapter Aluminum HA2520T Suitable for commercial & residential

Suitable for commercial & residential uses

and ease of use

Expands up to 9

Threaded Size (Inside Diameter): 2" Male NPT (National Pipe Tapered)

4.5" NH (NST) Female x 4" NH (NST) Male Adapter Aluminum HA2520T Suitable for commercial & residentialSpecifications Female Side 1 4. 5 NH (NST) Female (National Hose National Standard Thread) Male Side 2 4 NH (NST) 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