MIL-DTL-38999 Series I connectors are rugged and reliable, designed for harsh environments with up to 128 contacts housed in a sealed insert. Operating seamlessly between -65°C and 200°C, these connectors come in various mounting options including front wall, rear wall, and jam nut receptacles. Featuring M39029 rear release crimp contacts, they ensure secure connections in sizes 22D, 22M, 22, 20, 16, and 8. Constructed with high-strength aluminum shells and available in different plating options like cadmium and nickel, they offer durability and versatility. Perfect for military and industrial applications, these connectors meet stringent environmental standards while providing efficient conductivity and longevity.