MIL-DTL-38999 Series II connectors feature a rugged design with up to 128 contacts, ensuring reliable connectivity in harsh environments. These environmentally sealed connectors operate seamlessly in temperatures ranging from -65 °C to 200 °C. Available in various mounting styles including front and rear wall mount, jam nut, and box mount receptacles, they offer versatility for different applications. With options for straight, RFI grounding, and standard plugs, along with 52 insert arrangements and M39029 rear release crimp contacts, they provide flexibility for diverse connectivity needs. Constructed with aluminum shells and offering multiple plating options including cadmium-free finishes, these connectors meet RoHS compliance standards. Ideal for military and industrial applications, they guarantee secure and durable electrical connections in demanding conditions.