MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts within an insert. These environmentally sealed connectors offer a wide operating temperature range of -65 °C to 200 °C. Available in various configurations including front and rear wall mount, jam nut, and box mount receptacles, they ensure versatile connectivity options. With 52 insert arrangements and M39029 rear release crimp contacts, these connectors provide reliable performance. Constructed with aluminum shells and offering plating options such as gold and electroless nickel, they meet stringent military specifications. Perfect for applications requiring durability and ruggedness, these connectors are ideal for aerospace, defense, and industrial sectors. With RoHS compliant finishes available, they also cater to environmentally conscious requirements.