The MIL-DTL-38999 Series II connectors offer high-performance connectivity with up to 128 contacts in an insert. Designed for harsh environments, these connectors are environmentally sealed and can operate in temperatures ranging from -65 °C to 200 °C. Featuring various mounting options including front wall mount, rear wall mount, jam nut, and box mount receptacles, they provide versatility in installation. Available in 9 shell sizes and 52 insert arrangements, these connectors utilize M39029 rear release crimp contacts for reliable connections. Crafted from durable aluminum with multiple plating options, including RoHS certified finishes, they ensure long-lasting performance. Suitable for military and industrial applications, these connectors meet stringent MIL-DTL-38999 II specifications for quality and durability.