MIL-DTL-38999 Series II connectors feature up to 128 contacts in an insert, offering robust environmental sealing and a wide operating temperature range from -65 °C to 200 °C. These harsh environment connectors come in various configurations, including front and rear wall mount, jam nut, and box mount receptacles. With options for straight, RFI grounding, and standard plugs, they cater to diverse connectivity needs. Compliant with military specification MIL-DTL-38999 II, these circular connectors ensure reliable performance in demanding applications. Crafted from aluminum with plating choices like electroless nickel and cadmium finishes, they guarantee durability and efficient signal transmission. Suitable for service class T, these connectors are ideal for environments requiring high reliability and durability.