031-70009 is a 75 ohm BNC crimp jack connector designed for use with RG-59 and Belden cable types. This connector features a crimp-style termination with a body length of 1.18 inches (30.0 mm) and a maximum panel thickness rating of 0.812 inches (20.6 mm). The jack has a body diameter of 0.510 inches (12.9 mm) and a crimp depth of 0.261 inches (6.6 mm), providing secure mechanical and electrical connection to standard 75 ohm coaxial cables. This connector is commonly used in video surveillance, broadcast equipment, and RF signal distribution systems where reliable 75 ohm impedance matching and compact form factor are required.