4" Storz x 4.5" NH (NST) Female Adapter Aluminum DMH15S15S Both NH and NST are

Both NH and NST are the same thing

Your items will always be covered under 1 year standard manufacture warranties

Industrial & Fire 4” NH (NST) Female Long Handle x 4” NPSH Female Long Handle Swivel Fitting Anodized Aluminum

5” NPT x 3” NH (NST) Double Male Fitting Anodized Aluminum

4" Storz x 4.5" NH (NST) Female Adapter Aluminum DMH15S15S Both NH and NST areSpecifications Storz Side 1 4 Storz Female Side 2 4. 5 NH (NST) Female (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 Standards 236 8. 1 Through 8. 2 USDA