MIL-DTL-38999 Series II connectors feature up to 128 contacts in an environmentally sealed insert, designed for harsh environments with an operating temperature range of -65 °C to 200 °C. Available in various mounting options including front and rear wall mount, jam nut, and box mount receptacles, they offer versatility in application. With straight, RFI grounding, and 90-degree cable clamp plugs, they accommodate diverse connectivity needs. Utilizing M39029 rear release crimp contacts in various sizes, these connectors ensure secure and reliable connections. Constructed with aluminum shells and offering plating options such as electroless nickel and cadmium finishes, they meet stringent military specifications. Suitable for demanding scenarios, these connectors provide durability and performance in aerospace, defense, and industrial applications.