The MIL-DTL-38999 Series I connectors are designed for harsh environments, featuring up to 128 contacts in an insert. With front wall mount, rear wall mount, and jam nut receptacles, they offer versatility in connectivity. These connectors, compliant with military specification MIL-DTL-38999 I, ensure reliable performance in a wide temperature range from -65 °C to 200 °C. Utilizing M39029 rear release crimp contacts, they come in various configurations for different applications. Constructed with high-strength aluminum shells and available in multiple plating options, including RoHS certified finishes, these connectors guarantee durability and conductivity. Suitable for back panel box mounting with bayonet coupling, they are ideal for demanding military and industrial environments.