MIL-DTL-38999 Series II connectors feature up to 128 contacts in an insert, designed for harsh environments with an operating temperature range of -65 °C to 200 °C. Available in various mounting styles such as front wall, rear wall, jam nut, and box mount receptacles, these connectors are versatile for different applications. With 52 insert arrangements and M39029 rear release crimp contacts, they provide reliable connectivity. Crafted from aluminum with plating options including cadmium-free finishes, these connectors offer durability and compliance with RoHS regulations. Suitable for military and industrial use, they ensure secure and efficient electrical connections in demanding conditions.