The Pressure Switch (OEM Part No. 5112319864) is a replacement electrical component designed for Epiroc underground mining equipment, including M4C, ST18, MT65, Boltec-MC, BOOMER-M2C, S1D, and S7D. Manufactured from stainless steel, brass, and plastic, the pressure switch is designed to monitor pressure conditions and provide an electrical switching signal when pressure changes occur. It supports pressure sensing and signal control within hydraulic and air pressure systems. The 5112319864 Pressure Switch provides a practical aftermarket solution for replacing worn or damaged components and supporting reliable pressure monitoring and electrical system operation in demanding underground mining environments.