2.5" NH (NST) Female x 4.5" NPSH Male Adapter Aluminum FM25F25S Just flip the handles up

Just flip the handles up on the female fitting

that means the inside rubber liner is likely smooth and strong

Female Swivel Side 2 – 2” NH (NST) Female (National Hose / National Standard Thread)

Push the ears forward on the female side fitting

5" NST (NH) Female Hose x 2" NPSH Male Pin Lug Adapter

2.5" NH (NST) Female x 4.5" NPSH Male Adapter Aluminum FM25F25S Just flip the handles upSpecifications Female Side 1 2. 5 NH (NST) Female (National Hose National Standard Thread) Male Side 2 4. 5 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