The 31-5329-51RFX is a commercial-grade BNC straight jack intended for printed circuit board mounting. It features a nickel-plated body and silver-plated contacts for reliable connectivity. This connector utilizes a blunt post (lip) mounting style with four legs, and its post terminal measures .176 inches (4.5 mm) long with a diameter of .037 inches (0.9 mm). As a 50 Ohm RF connector, it is well-suited for a variety of applications requiring a quick connect/disconnect PCB interface, such as in telecommunications, instrumentation, and broadcast equipment.