The MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in an insert and environmental sealing for reliable performance. With an operating temperature range of -65°C to 200°C, they are suitable for a wide range of applications. Available in various configurations such as front and rear wall mount, jam nut, and box mount receptacles, these connectors offer versatility. Utilizing M39029 rear release crimp contacts in sizes 22D, 22M, 22, 20, 16, and 12, they ensure secure connections. Constructed with aluminum shells and offering plating options like cadmium and nickel, these connectors provide durability and corrosion resistance. Meeting MIL-DTL-38999 II specifications, they are ideal for military and aerospace use.