MIL-DTL-38999 Series II connectors offer reliable performance in harsh environments with up to 128 contacts in an environmentally sealed insert. Designed for a wide temperature range from -65°C to 200°C, these connectors come in various configurations including front and rear wall mount, jam nut, and box mount receptacles. Featuring straight, RFI grounding, and standard plugs with a 90-degree cable clamp, they accommodate diverse connectivity needs. With 52 insert arrangements and M39029 rear release crimp contacts in multiple sizes, these connectors ensure secure and efficient connections. Made with aluminum shells and available in different plating options such as electroless nickel and cadmium finishes, they meet stringent military specifications for durability. Perfect for applications requiring high performance in challenging conditions, these connectors offer reliable connectivity in critical environments.