The MIL-DTL-38999 Series II connectors are designed for rugged environments, featuring up to 128 contacts in an insert. With a wide operating temperature range of -65°C to 200°C, they offer reliable performance in harsh conditions. Available in various mounting options such as front and rear wall mount, jam nut, and box mount receptacles, these connectors ensure versatile installation. Crafted from durable aluminum with plating options including electroless nickel and cadmium olive drab, they guarantee long-lasting durability. With RoHS compliance and a service rating of M, these connectors are ideal for military and industrial applications requiring secure and efficient electrical connections.