MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts and environmental sealing for reliable performance. With an operating temperature range of -65°C to 200°C, these connectors offer versatility in various applications. Available in a range of mounting options including front and rear wall mount, jam nut, and box mount receptacles, they meet diverse connectivity needs. The connectors come in aluminum shells with multiple plating options, ensuring durability and corrosion resistance. Utilizing M39029 rear release crimp contacts, they provide secure and efficient connections. Ideal for military and aerospace applications, these connectors are built to withstand rugged conditions, making them a reliable choice for demanding environments.