MIL-DTL-38999 Series II connectors feature up to 128 contacts in an environmentally sealed insert, suitable for harsh environments with an operating temperature range of -65 °C to 200 °C. Available in various mounting options like front and rear wall mount, jam nut, and box mount receptacles, they offer versatility for different applications. With 52 insert arrangements and M39029 rear release crimp contacts, these connectors ensure reliable performance. Crafted from aluminum with plating options including electroless nickel and cadmium finishes, they meet stringent military specifications. RoHS certified for environmental compliance, these connectors guarantee durability and functionality in demanding settings.