The MIL-DTL-38999 Series II connectors are designed for rugged environments, featuring up to 128 contacts housed in a durable insert. With an operating temperature range of -65 °C to 200 °C, they offer reliable performance in harsh conditions. Available in various mounting styles such as front and rear wall mount, jam nut, and box mount, these connectors provide versatile connectivity options. Utilizing M39029 rear release crimp contacts, they ensure secure and efficient contact points. Constructed with aluminum shells and offered in different plating options including cadmium-free finishes, these connectors meet stringent military specifications for durability and performance. Perfect for demanding applications, they are ideal for use in aerospace, defense, and industrial settings.