The MIL-DTL-38999 Series II connectors boast exceptional durability and versatility, featuring up to 128 contacts within an insert. Engineered for harsh environments, these connectors are fully sealed and can operate reliably in temperatures ranging from -65 °C to 200 °C. With various mounting options including front and rear wall mount, jam nut, and box mount receptacles, they offer seamless integration in diverse applications. Available in 9 shell sizes and 52 insert arrangements, they utilize M39029 rear release crimp contacts for secure connections. Crafted from aluminum with a choice of plating finishes, including RoHS certified options, these connectors ensure long-lasting performance. Suitable for military and industrial use, they meet MIL-DTL-38999 II specifications, guaranteeing quality and reliability in demanding environments.