The MIL-DTL-38999 Series II connectors feature up to 128 contacts sealed for harsh environments, with an operating temperature range from -65 °C to 200 °C. These thin-walled connectors come in various mounting options including front and rear wall mount, jam nut, and box mount receptacles. Available in 9 shell sizes and 52 insert arrangements, they use M39029 rear release crimp contacts. With aluminum shells and plating options like cadmium and nickel, they offer reliability and durability. RoHS compliant finishes ensure environmental safety. Perfect for military and industrial applications, these connectors guarantee secure and efficient electrical connections.