The 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 wall, rear wall, and jam nut, these connectors offer versatility in installation. With 52 insert arrangements and M39029 rear release crimp contacts, they ensure reliable connectivity. Crafted from aluminum with plating options including cadmium and electroless nickel, they meet stringent military standards for durability. Perfect for applications that demand high performance in challenging conditions.