MIL-DTL-38999 Series II connectors feature up to 128 contacts housed in an insert, designed for robust environmental sealing and operating within a wide temperature range from -65 °C to 200 °C. These connectors, available in various mounting styles such as front and rear wall mount, jam nut, and box mount receptacles, offer versatility in installation. With options for straight, RFI grounding, and standard plugs, they accommodate different cable configurations with a 90-degree cable clamp. Utilizing M39029 rear release crimp contacts in various sizes, these connectors ensure secure and reliable connections. Crafted with aluminum shells and offering multiple plating choices including cadmium-free finishes, they meet stringent military specifications for durability and performance in harsh environments.