MIL-DTL-38999 Series II connectors boast up to 128 contacts in a sealed insert, ideal for harsh environments with an impressive operating range from -65 °C to 200 °C. These thin-walled connectors, compliant with military specification MIL-DTL-38999 II, come in various configurations including front and rear wall mount, jam nut, and box mount receptacles. Available in 9 shell sizes and 52 insert arrangements, they utilize M39029 rear release crimp contacts. Offered in aluminum shells with plating options such as cadmium and nickel, they provide reliable connectivity for demanding applications. The straight plug design with bayonet coupling ensures secure connections, with gold-plated contacts for enhanced conductivity. Engineered for durability, these connectors guarantee performance in challenging conditions, making them a preferred choice for military and industrial use.