The MIL-DTL-38999 Series II connectors feature environmentally sealed inserts with up to 128 contacts, designed for harsh environments with an operating temperature range of -65 °C to 200 °C. Available in various mounting options including front and rear wall mount, jam nut, and box mount receptacles, these connectors offer versatility in connectivity solutions. Crafted from durable aluminum, they come with a choice of plating finishes such as electroless nickel and cadmium olive drab. With reliable performance in mind, they utilize M39029 rear release crimp contacts in sizes 22D, 22M, 22, 20, 16, and 12. Meeting MIL-DTL-38999 II military specifications, these connectors are ideal for applications requiring secure and efficient electrical connections in demanding conditions.