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The NST (NH) female side of adapter can hook into NST (NH) male threads only
Friction loss is next to nothing for any size hose above 3" diameter
Simply unpack the lightweight system in minutes
sump pumps
Threaded Size (Inside Diameter): 3" Female NPT (National Pipe Tapered)
2.5" NPT Female x 4" NPSH Male Adapter Aluminum FM3025F The NST (NH) female sideSpecifications Female Side 1 2. 5 NPT Female (National Pipe Tapered) Male Side 2 4 NPSH Male (National Pipe Straight Hose) 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
