The MIL-DTL-38999 Series II connectors feature up to 128 environmentally sealed contacts, designed for harsh environments with an operating temperature range of -65 °C to 200 °C. Available in various mount types including front wall, rear wall, jam nut, and box mount, these connectors offer versatility for different applications. With 52 insert arrangements and M39029 rear release crimp contacts, they ensure reliable connectivity. Constructed with aluminum shells and plated with options like electroless nickel, they meet RoHS compliance standards. Perfect for military and industrial use, these connectors guarantee durability and performance in demanding conditions.