The TYLOK S-4-1MPP is a steel plug designed for 1/4" MNPT connections. This durable component is essential for sealing unused ports in piping systems, preventing leaks and maintaining system integrity. Constructed from high-strength steel, it offers excellent resistance to pressure and wear, making it suitable for various industrial applications. The plug's straightforward design allows for easy installation and removal, ensuring efficient maintenance of your piping systems. This fitting meets industry standards for quality and reliability, making it a trusted choice for professionals.