The MIL-DTL-38999 Series II connectors feature up to 128 contacts, offering robust environmental sealing for reliable performance in harsh conditions. With an operating temperature range of -65 °C to 200 °C, these connectors are ideal for demanding applications. Available in various mounting styles such as front and rear wall mount, jam nut, and box mount receptacles, they ensure versatility in installation. The connectors come in 9 shell sizes and 52 insert arrangements, accommodating different contact sizes for efficient connectivity. Made of aluminum with plating options including electroless nickel and cadmium finishes, they guarantee durability and corrosion resistance. Designed to military specification MIL-DTL-38999 II, these connectors meet stringent standards for quality and performance in aerospace, defense, and industrial applications.