MIL-DTL-38999 Series II connectors offer high-performance connectivity with up to 128 contacts in a rugged insert, designed for harsh environments. With environmental sealing and a wide operating temperature range from -65°C to 200°C, these connectors ensure reliable performance in demanding conditions. Featuring various mounting options such as front and rear wall mount, jam nut, and box mount receptacles, they cater to diverse application needs. Available in 9 shell sizes and 52 insert arrangements, they utilize M39029 rear release crimp contacts for secure connections. Made of aluminum with plating options including cadmium and nickel, they are RoHS compliant. These connectors, meeting MIL-DTL-38999 II specifications, are ideal for military, aerospace, and industrial applications requiring durability and high reliability.