MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in a sealed insert. With an operating temperature range of -65 °C to 200 °C, they offer durability in extreme conditions. Available in various mounting options such as front wall, rear wall, and jam nut, these connectors accommodate diverse installation needs. The connectors utilize M39029 rear release crimp contacts, ensuring secure and reliable connections. Constructed with aluminum shells and offering plating options like electroless nickel and cadmium olive drab, they meet stringent military specifications for performance and durability. Suitable for applications requiring rugged connectivity, these connectors are essential for mission-critical operations.