The MIL-DTL-38999 Series I connectors offer a durable solution for harsh environments, featuring up to 128 contacts in an insert. With a wide operating temperature range from -65°C to 200°C, these connectors are ideal for demanding applications. Available in various shell sizes and insert arrangements, they use M39029 rear release crimp contacts for secure connections. The connectors come in high-strength aluminum shells with options for plating, including cadmium-free finishes. Offering front wall mount, rear wall mount, and jam nut receptacles, they are designed for reliable performance in military and industrial settings. With RoHS certification, these connectors prioritize environmental compliance while ensuring conductivity and ingress protection.