MIL-DTL-38999 Series II connectors feature up to 128 contacts in an environmentally sealed insert, designed for harsh environments with a wide operating temperature range of -65 °C to 200 °C. Available in various receptacle styles including front and rear wall mount, jam nut, and box mount, these connectors offer versatility in installation. With options for straight, RFI grounding, and 90-degree cable clamp plugs, they cater to different connectivity needs. Utilizing M39029 rear release crimp contacts in sizes 22D, 22M, 22, 20, 16, and 12, they ensure reliable connections. Constructed with aluminum shells and offering plating choices such as cadmium and nickel, these connectors provide durability and performance. Suitable for military and industrial applications, they meet stringent quality standards for rugged use.