3/8″ x 1/4″ Female Steel Pipe Reducing Coupling – SAE 140138, 3,000 PSI, NPT Threads

This 3/8″ x 1/4″ Female Pipe Reducing Coupling is made from durable steel and designed for high-pressure pipe connections. Featuring 3/8″-18 and 1/4″-18 NPT female threads, this coupling meets SAE 140138 dimensional standards for industrial-grade reliability. Rated for a maximum pressure of 3,000 PSI and temperature tolerance up to 375°F, it’s ideal for hydraulic, pneumatic, and general-purpose fluid systems requiring compact pipe size transitions.