MIL-DTL-38999 Series II connectors are designed for harsh environments with up to 128 contacts in an insert. These environmentally sealed connectors feature a wide operating temperature range of -65 °C to 200 °C. Available in various mounting options including front wall mount, rear wall mount, jam nut, and box mount receptacles, they offer flexibility for different applications. Utilizing M39029 rear release crimp contacts, these connectors ensure secure and reliable connections. With options for RoHS compliant finishes, they meet strict environmental standards. The aluminum shells with plating options such as cadmium and nickel provide durability and corrosion resistance. Suitable for military and industrial use, these connectors are ideal for applications that require rugged performance in challenging conditions.