Product Overview
The 3/8" MNPT Brass Square-Head Plug is a durable, corrosion-resistant pipe plug designed to seal unused ports in air, hydraulic, coolant, and general industrial piping systems. Featuring a solid brass construction and a square drive head for easy installation, this plug delivers a strong, leak-resistant seal with standard 3/8" male NPT threads. Ideal for compressors, manifolds, valves, air tanks, hydraulic blocks, and shop plumbing applications.
