Times Microwave 7/16 DIN Female Crimp Connector - TC-500-716F-X
7/16 DIN style connectors originated in Europe under the Deutsh Industries Norm (DIN), which is a German standard. The 7/16 refers to 7mm outer diameter of the inner contact and 16mm as the inner diameter of the outer contact. This 7/8 DIN connector is a 50 Ohm, threaded style connector that fits LMR-500 cable types.