The 122168 is a TNC bulkhead crimp jack connector designed for 50-ohm impedance matching with RG-58C/U cable. This connector features a brass nickel-plated housing with a PTFE insulator, phosphor bronze gold-plated contact pin, and copper nickel-plated ferrule, ensuring reliable electrical performance and corrosion resistance. The connector accommodates a maximum panel thickness of 6.5 mm and includes a hex nut (7/16-28UNEF-2A or 1/2-28UNEF-2A thread options) with lock washer and rubber gasket for secure mounting. The crimped ferrule has a hex crimp size of 0.213 inches and the contact pin has a hex crimp size of 0.068 inches, enabling proper cable termination. This bulkhead connector is commonly used in RF and microwave applications where panel-mount installations and secure coaxial connections are required.