MIL-DTL-38999 Series II connectors offer robust connectivity with up to 128 contacts in a sealed insert. Built for harsh environments, these connectors feature 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 for reliable connections. With a wide range of plating options like gold and electroless nickel, these connectors ensure optimal performance in temperatures ranging from -65 °C to 200 °C. Made of durable aluminum, they meet stringent military specifications for environmental resilience.