MIL-DTL-38999 Series I connectors are built for rugged environments, offering up to 128 contacts in a single insert. With a wide operating temperature range of -65°C to 200°C, these connectors provide reliable performance in extreme conditions. Available in various mounting styles including front and rear wall mount as well as jam nut receptacles, they feature RFI grounding plugs for enhanced signal integrity. Constructed with high-strength aluminum shells and utilizing M39029 rear release crimp contacts, they ensure durability and secure connections. With a range of plating options including cadmium-free finishes, these connectors meet RoHS compliance standards. Perfect for military and industrial applications, they are designed to withstand harsh environments with their environment-resistant construction.