The MIL-DTL-38999 Series II connectors feature up to 128 contacts housed in a durable insert, designed for harsh environments with an impressive operating temperature range of -65 °C to 200 °C. Available in various mounting options including front and rear wall mount, jam nut, and box mount receptacles, these connectors ensure secure and reliable connections. With 52 insert arrangements and M39029 rear release crimp contacts, they offer versatility and ease of use. Crafted from aluminum with multiple plating options, such as electroless nickel and cadmium finishes, they guarantee durability and performance. RoHS compliant options are also available, making them suitable for a wide range of applications.