MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in an insert with environmental sealing. Operating temperatures range from -65°C to 200°C, ensuring reliability in extreme conditions. Available in various mounting styles such as front and rear wall mount, jam nut, and box mount receptacles, these connectors offer flexibility in installation. With options for straight, RFI grounding, and standard plugs, they accommodate different cable configurations. Utilizing M39029 rear release crimp contacts, these connectors guarantee secure connections. Constructed with aluminum shells and various plating options including cadmium-free finishes, they meet stringent military specifications. Suitable for applications where durability and performance are essential, these connectors are ideal for demanding industries.