MIL-DTL-38999 Series II connectors offer robust connectivity with up to 128 contacts, ideal for harsh environments. Featuring environmentally sealed construction and a wide operating temperature range from -65 °C to 200 °C, these connectors ensure reliable performance in demanding conditions. Available in various mounting options such as 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 multiple shell sizes and insert arrangements, these connectors provide flexibility in design. Utilizing M39029 rear release crimp contacts, they guarantee secure and efficient connections. Constructed with aluminum shells and offering plating options like cadmium and nickel, they meet stringent military specifications. RoHS compliant finishes are also available, making them environmentally friendly. Suitable for potting applications, these connectors feature female socket contacts and have a mating life of 500 cycles, ensuring long-term durability. Overall, MIL-DTL-38999 Series II connectors are the perfect choice for high-performance circular connectivity needs.