The MIL-DTL-38999 Series II connectors offer robust connectivity with up to 128 contacts in an environmentally sealed insert. Designed for harsh environments, they operate smoothly in temperatures ranging from -65°C to 200°C. Featuring various mounting options such as front and rear wall mount, jam nut, and box mount receptacles, these connectors ensure versatile installation. Available in 9 shell sizes and 52 insert arrangements, they utilize M39029 rear release crimp contacts for reliable performance. Crafted from aluminum with plating options including electroless nickel and cadmium finishes, these connectors meet stringent military specifications for durability and longevity. Perfect for demanding applications, they guarantee secure and efficient electrical connections in challenging conditions.