MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in an insert and offering various mounting options such as front and rear wall mount, jam nut, and box mount receptacles. With an operating temperature range of -65 °C to 200 °C, they ensure reliable performance in extreme conditions. These connectors, compliant with military specification MIL-DTL-38999 II, come in aluminum shells with options for RoHS-certified finishes. Utilizing M39029 rear release crimp contacts, they guarantee secure connectivity with sizes ranging from 22D to 12. The gold-plated contacts, along with electroless nickel coating, provide excellent conductivity and corrosion resistance. Perfect for applications requiring rugged and reliable electrical connections, these connectors are ideal for military, aerospace, and industrial use.