The MIL-DTL-38999 Series I connectors are designed for harsh environments, featuring up to 128 contacts in an environmentally sealed insert. With an operating temperature range of -65°C to 200°C, these connectors offer reliability in extreme conditions. Available in various mounting options such as front wall mount, rear wall mount, and jam nut receptacles, they provide flexibility for different applications. Utilizing M39029 rear release crimp contacts, these connectors ensure secure connections. Constructed with high-strength aluminum shells and offering multiple plating options, including RoHS certified finishes, they meet stringent military specifications. Suitable for aerospace, defense, and industrial purposes, these connectors guarantee durable performance in demanding environments.