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)

Industrial & Fire 4” NH (NST) Female x 2

5" NPT Female x 1

The motors come either brushed or brush-less depending on the manufacture

5" NPT Male Fitting Anodized Aluminum

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.