MIL-DTL-38999 Series II connectors, designed for harsh environments, feature up to 128 contacts in an insert and offer secure environmental sealing. With an operating temperature range from -65 °C to 200 °C, these connectors are built for durability. Available in various mount types and shell sizes, they accommodate diverse applications. Utilizing M39029 rear release crimp contacts, with plating options including gold, electroless nickel, and more, they ensure reliable conductivity. Constructed with aluminum shells, they meet stringent military specifications, making them ideal for aerospace, defense, and industrial use. RoHS compliant finishes are also available, catering to environmental standards.