The 242156 is a waterproof adapter for interfacing between N-type male and F-type female coaxial connectors. It is constructed with a nickel-plated brass body for durability and a PTFE insulator for stable dielectric performance. The contact pin is made from beryllium copper with a gold finish to ensure reliable signal integrity. A red silicone gasket provides a waterproof seal, making this adapter suitable for outdoor or environmentally demanding RF applications such as antenna systems and telecommunications equipment.