The MIL-DTL-38999 Series II connectors are designed for rugged environments, featuring up to 128 contacts in a sealed insert. With a wide operating temperature range of -65 °C to 200 °C, these connectors offer reliable performance in harsh conditions. Available in various mounting styles, including front and rear wall mount, jam nut, and box mount receptacles, they provide flexibility for different applications. Utilizing M39029 rear release crimp contacts in sizes 22D to 12, these connectors ensure secure connections. Made of durable aluminum with plating options such as electroless nickel and cadmium olive drab, they meet stringent military specifications. Suitable for use in demanding settings, these connectors offer reliable conductivity and environmental protection.