MIL-DTL-38999 Series I connectors offer high performance in harsh environments, featuring up to 128 contacts in an insert. These environmentally sealed connectors boast a wide operating temperature range from -65 °C to 200 °C. Available in various configurations including front and rear wall mount, as well as jam nut receptacles, they ensure secure connections. Utilizing M39029 rear release crimp contacts, these connectors come in 9 shell sizes and 52 insert arrangements, accommodating diverse needs. Crafted from durable aluminum with plating options like electroless nickel and cadmium finishes, they provide reliable conductivity. Meeting stringent military specifications, these connectors are ideal for applications requiring rugged and dependable performance.