MIL-DTL-38999 Series II connectors are designed for rugged environments, offering up to 128 contacts in a sealed insert. With an impressive operating temperature range of -65 °C to 200 °C, these connectors are reliable in extreme conditions. Featuring various mounting options like front and rear wall mount, as well as jam nut configurations, they provide flexibility for different applications. Available in 9 shell sizes and 52 insert arrangements, these connectors use M39029 rear release crimp contacts for secure connections. Made of aluminum with plating options including cadmium and nickel, they meet RoHS compliance standards. Ideal for military and industrial use, these connectors ensure durability and performance in harsh settings.