MIL-DTL-38999 Series II connectors meet stringent environmental standards with up to 128 contacts sealed within their durable insert. Engineered for harsh environments, these connectors boast a wide operating temperature range from -65°C to 200°C. Available in various configurations including front and rear wall mounts, jam nuts, and box mounts, they offer versatility in installation. Featuring 9 shell sizes and 52 insert arrangements, they accommodate M39029 rear release crimp contacts in sizes 22D, 22M, 22, 20, 16, and 12. Constructed with aluminum shells and offering plating options such as cadmium and nickel, these connectors ensure reliable performance. With RoHS-certified finishes available, they adhere to environmental regulations without compromising on quality. Perfect for military and industrial applications requiring robust connectivity, these connectors provide a secure and efficient solution for your electrical needs.