The MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in an insert for secure connectivity. With a wide operating temperature range of -65°C to 200°C, these connectors are ideal for demanding applications. Available in various configurations such as front and rear wall mount, jam nut, and box mount receptacles, they offer versatility in installation. The plugs come in straight, RFI grounding, and standard options, with 90-degree cable clamps for efficient cable management. Constructed with aluminum shells and offering multiple plating options, including RoHS compliant finishes, these connectors ensure reliable performance. Utilizing M39029 rear release crimp contacts, they guarantee secure and durable connections. These connectors are essential for military and industrial environments where durability and performance are critical.