MIL-DTL-38999 Series II connectors boast up to 128 contacts in a sealed insert, designed for harsh environments with an impressive operating temperature range of -65 °C to 200 °C. These connectors, featuring various mounting options like front and rear wall mount, jam nut, and box mount receptacles, offer versatility in installation. Available in 9 shell sizes and 52 insert arrangements, they use reliable M39029 rear release crimp contacts for secure connections. Constructed with aluminum shells and offering multiple plating options, including RoHS compliant finishes, these connectors ensure durability and performance. Perfect for military and industrial applications, they guarantee efficient electrical connectivity in demanding environments.