The Cinch Connectivity Solutions 131-3701-276 is a 50 Ohm SMB jack receptacle engineered for demanding RF applications. Constructed with brass bodies, beryllium copper contacts, and PTFE insulators, this connector ensures excellent electrical performance and durability. Gold plating on the contacts minimizes signal loss and corrosion, while nickel plating provides an additional layer of protection. It is designed to meet or exceed the requirements of MIL-C-39012, making it suitable for military and aerospace applications. The connector's robust design and reliable performance make it a preferred choice for connecting coaxial cables in a wide range of industrial and commercial settings.