The MIL-DTL-38999 III (D38999) harsh environment connectors feature a range of options including wall mount receptacles, jam nut receptacles, and straight self-locking RFI plugs. Available in 9 shell sizes and 54 insert arrangements, they utilize M39029 contacts in various sizes for optimal performance. With shell materials like aluminum, stainless steel, and lightweight composite, and plating options such as olive drab cadmium and nickel, these connectors offer versatility. RoHS-compliant and Boeing BACC-approved designs are also available, making them suitable for a wide range of applications. Perfect for demanding environments, these connectors provide reliable connectivity with features like conductive conductivity and environment-resistant ingress protection.