MIL-DTL-38999 Series II connectors are designed for rugged environments, featuring up to 128 contacts in a sealed insert. With an operating temperature range of -65 °C to 200 °C, these connectors offer reliable performance in harsh conditions. Available in various mounting styles such as front wall mount, rear wall mount, and jam nut, they suit diverse applications. The connectors come in 9 shell sizes and 52 insert arrangements, accommodating M39029 rear release crimp contacts. Constructed from aluminum with plating options including cadmium and nickel, they ensure durability and corrosion resistance. RoHS compliant finishes are also available. Suitable for military and industrial use, these connectors provide secure and efficient electrical connections.