MIL-DTL-38999 Series I connectors feature a robust design with up to 128 contacts, suitable for harsh environments. These connectors, available in various shell sizes and insert arrangements, offer reliable performance in a wide range of applications. With options for front wall mount, rear wall mount, and jam nut receptacles, they provide flexibility in installation. Utilizing M39029 rear release crimp contacts, these connectors ensure secure and efficient connections. Constructed with high-strength aluminum shells and offering multiple plating options, including RoHS certified finishes, they meet stringent military specifications. Operating temperature ranges from -65 °C to 200 °C, making them ideal for demanding environments. With gold-plated contacts and a bayonet coupling mechanism, they guarantee excellent conductivity and mating reliability. The MIL-DTL-38999 Series I connectors are designed for back panel box mounting, with a service class rating of M and environmental resistance, ensuring long-term durability in critical applications.