Square Head Plug, 3/8-18, MNPT, Brass, 5/Pack

These square head plugs meet ASA, SAE, and ASME specifications for pressure piping. With a maximum working pressure of 1,200 PSI and a temperature range of -65°F to +250°F (-54°C to +121°C), this brass plug is ideal for sealing pipe ends in water, air, oil, natural gas, and liquefied petroleum applications. Its square head allows for easy installation and removal, ensuring secure and efficient performance in demanding environments.