2.5" NPSH Female x 4.5" NPT Male Adapter Aluminum FM1076 Threaded Size (Inside Diameter): 8"

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

If you are looking to hook into pipe threads (NPT

or garden hoses for increased pressures

5" NST (NH) Male Hydrant Adapter

Seal every little crack you can

2.5" NPSH Female x 4.5" NPT Male Adapter Aluminum FM1076 Threaded Size (Inside Diameter): 8"Specifications Female Side 1 2. 5 NPSH Female (National Pipe Straight Hose) Male Side 2 4. 5 NPT Male (National Pipe Tapered) 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.