MIL-DTL-38999 Series I connectors offer high-performance connectivity for demanding environments. With up to 128 contacts sealed within a rugged insert, these connectors ensure reliable operation in temperatures ranging from -65°C to 200°C. Featuring various mounting options including front wall, rear wall, and jam nut receptacles, they provide versatility in installation. The connectors, compliant with military specification MIL-DTL-38999 I, boast a robust design with aluminum shells and offer multiple plating choices such as gold, electroless nickel, and cadmium finishes. Equipped with M39029 rear release crimp contacts, they guarantee secure and efficient connections. Their durability is underscored by a service rating of I and 500 mating cycles, making them ideal for use in harsh environments.