The MIL-DTL-38999 Series I connectors are designed for harsh environments, with up to 128 contacts housed in an insert for reliability. Operating in extreme temperatures ranging from -65 °C to 200 °C, these connectors are suitable for a wide range of applications. Featuring front wall mount, rear wall mount, and jam nut receptacles, they offer flexibility in installation. Utilizing M39029 rear release crimp contacts, they ensure secure connections. Constructed with high-strength aluminum shells and available in various plating options including cadmium-free finishes, these connectors are durable and environmentally sealed. With RoHS certified options, they meet regulatory standards. Suitable for military and industrial use, the MIL-DTL-38999 Series I connectors are a reliable choice for demanding environments.