3/8 x 3/8 NPT Hex Coupling Double Female Pipe Fitting, 304 Stainless Steel, Beefy 4500 PSI Heavy Duty, Leak Proof Air Compressor Hydraulic Water Gas Line Connector, 2 Pack

Beefy 3/8 x 3/8 NPT Hex Coupling, 304 Stainless (2 Pack)
✔️ Stainless 304, 4500 PSI rated, full NPT double female threads

These heavy-duty hex coupling fittings connect female-threaded lines in air, hydraulic, water, gas, and oil systems. Made from 304 stainless steel for corrosion resistance and high-pressure performance, they’re ideal for shop and industrial setups.

✅ 304 stainless body with 20% thicker walls for long life
✅ 3/8 in NPT double female threads for secure connections
✅ 4500 PSI high-pressure rating suitable for air, hydraulic, water, gas, and oil systems
✅ Precision threaded to prevent leaks and simplify assembly
✅ Pack of 2 fittings per order

💡 What is a double female NPT pipe fitting used for?

Used to join two female-threaded lines in air, hydraulic, water, gas, and oil systems
Provides a leak-proof seal with tapered NPT threads for secure connections
Ideal for high-pressure setups up to 4500 PSI with 304 stainless steel