MIL-DTL-38999 Series II connectors feature up to 128 contacts in an insert, offering environmental sealing and an operating temperature range of -65 °C to 200 °C. These harsh environment connectors come in various configurations such as front and rear wall mount, jam nut, and box mount receptacles, with straight and 90-degree cable clamp plugs available. Compliant with military specification MIL-DTL-38999 II, they utilize M39029 rear release crimp contacts in sizes 22D, 22M, 22, 20, 16, and 12. Constructed with aluminum shells and offering plating options including cadmium-free finishes, these connectors ensure reliable performance in demanding applications.