4" NH (NST) Female Swivel x 5" NH (NST) Male Adapter Aluminum FM15S15F Threaded Size (Inside Diameter): 8"

Threaded Size (Inside Diameter): 8" Female NPT (National Pipe Tapered)

5 inch inside diameter and lays roughly 4

If you have any questions regarding this product

5” NPT Female Long Handle x 6” NPT Male Rigid Fitting Anodized Aluminum

Your adapter will be covered by a 5 YEAR MANUFACTURE WARRANTY

4" NH (NST) Female Swivel x 5" NH (NST) Male Adapter Aluminum FM15S15F Threaded Size (Inside Diameter): 8"Specifications Female Side 1 4 NH Female (National Hose National Standard Thread) Male Side 2 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 Standards