MIL-DTL-38999 Series II connectors feature up to 128 contacts, providing robust connectivity in harsh environments. With an operating temperature range of -65 °C to 200 °C, these connectors are suitable for a wide range of applications. Available in various mounting options including front and rear wall mount, jam nut, and box mount receptacles, they offer versatility in installation. The connectors come in 9 shell sizes and 52 insert arrangements, accommodating different contact configurations. Constructed with aluminum shells and offering plating options such as gold and electroless nickel, they ensure reliable performance and durability. These connectors, compliant with MIL-DTL-38999 II standards, are ideal for aerospace, defense, and other demanding industries.