The MIL-DTL-38999 Series II connectors are designed for harsh environments, offering up to 128 contacts housed in an insert for optimal connectivity. Featuring various mounting options including front and rear wall mount, jam nut, and box mount receptacles, these connectors meet stringent military specifications for durability and performance. With a wide operating temperature range of -65 °C to 200 °C, they are suitable for a range of applications. Constructed with aluminum shells and available in different plating options, including RoHS certified finishes, these connectors ensure reliable conductivity even in challenging conditions. Perfect for use in aerospace, defense, and industrial settings, they guarantee secure and efficient electrical connections.