The 5406P-20 Hex Head Plug from Pressure Connections Corp. is a durable steel fitting designed for effective sealing in hydraulic and pneumatic systems. This plug features a hex head design, allowing for easy installation and removal with standard tools. Constructed from high-quality steel, it is built to withstand high-pressure conditions and resist corrosion. With a size specification of MP, this plug is compatible with various fittings, ensuring a secure and leak-free connection. Ideal for use in industrial, automotive, and manufacturing applications, the 5406P-20 is a reliable choice for maintaining system performance.