MIL-DTL-38999 Series I connectors are designed for harsh environments, featuring up to 128 contacts in an insert. With front and rear wall mount options, as well as jam nut receptacles, these connectors offer versatility in installation. Operating in temperatures ranging from -65 °C to 200 °C, they provide reliable performance in extreme conditions. Constructed with high-strength aluminum shells and available in various plating options, including RoHS certified finishes, they ensure durability and environmental compliance. Utilizing M39029 rear release crimp contacts in different sizes, these connectors guarantee secure and efficient connections. With their bayonet coupling design and gold contact plating, they offer easy mating and high conductivity, making them ideal for military and industrial applications requiring rugged connectivity solutions.