The MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in an insert and offering reliable performance in extreme conditions. With a wide operating temperature range of -65°C to 200°C, these connectors are suitable for a variety of applications. Available in multiple mounting options including front and rear wall mount, jam nut, and box mount receptacles, they provide versatility in installation. The connectors come in aluminum shells with various plating options such as cadmium and nickel, ensuring durability and corrosion resistance. Utilizing M39029 rear release crimp contacts, they offer secure connections with options for straight, RFI grounding, and 90-degree cable clamp plugs. With RoHS compliant finishes available, these connectors meet environmental standards while providing high conductivity and ingress protection. Suitable for military and industrial use, they offer a reliable solution for demanding connectivity requirements.