M39029/56-348 Circular MIL Spec Contacts SKT 22D GA M39029/56-348 is a versatile jack terminal from the Military, SAE AS39029 series. It features a Socket-22D contact type with support for wires of gauge N/A. Enhanced with a Gold Finish, this product ensures durability and optimal conductivity. Compliant with ROHS standards, it is packaged in BULK packaging for secure storage and handling.