The MIL-DTL-38999 Series II connectors offer robust connectivity with up to 128 contacts in an environmentally sealed insert. Designed 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 utilize M39029 rear release crimp contacts for reliable performance. With a wide range of plating options such as gold and electroless nickel, these connectors ensure excellent conductivity and durability. Their operating temperature ranges from -65°C to 200°C, making them suitable for demanding applications. Compliance with military specification MIL-DTL-38999 II guarantees quality and performance, making them ideal for aerospace, defense, and industrial use.