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 versatile connectivity options. Operating temperatures range from -65°C to 200°C, ensuring reliability in extreme conditions. These connectors, compliant with military specification MIL-DTL-38999 I, use M39029 rear release crimp contacts and come in various shell sizes and insert arrangements. Constructed with high-strength aluminum shells, they are available with plating options such as cadmium-free finishes. With a mating type of Bayonet and contact gender of Male, these connectors are suitable for applications requiring secure and durable electrical connections.