MIL-DTL-38999 Series II connectors boast up to 128 contacts in an insert, designed for rugged environments with an impressive operating temperature range of -65 °C to 200 °C. Featuring various mounting options such as front and rear wall mount, jam nut, and box mount receptacles, they offer flexibility in installation. Available in aluminum shells with multiple plating choices, including RoHS certified finishes, these connectors ensure reliable performance. Utilizing M39029 rear release crimp contacts, they come in 52 insert arrangements, accommodating different contact sizes. Ideal for military and industrial applications, these connectors provide secure and durable electrical connections in harsh conditions.