MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in an insert. These environmentally sealed connectors have a wide operating temperature range from -65°C to 200°C. Available in various mounting styles including front and rear wall mount, jam nut, and box mount, they offer flexibility in installation. With options for straight, RFI grounding, and standard plugs, these connectors accommodate different cable configurations. Utilizing M39029 rear release crimp contacts, they ensure reliable connections. Constructed with aluminum shells and offering plating options such as electroless nickel and cadmium-free finishes, they meet RoHS compliance standards. Suitable for military and industrial applications, these connectors provide durability and performance in demanding conditions.