MIL-DTL-38999 Series I connectors are designed for harsh environments, featuring up to 128 contacts in an environmentally sealed insert. With a wide operating temperature range of -65 °C to 200 °C, they offer reliable performance in extreme conditions. Available in various shell sizes and insert arrangements, these connectors come in high-strength aluminum shells with options for plating, including cadmium-free finishes. The connector family includes front wall mount, rear wall mount, and jam nut receptacles, as well as RFI grounding plugs, all meeting MIL-DTL-38999 I military specifications. Utilizing M39029 rear release crimp contacts, they ensure secure and efficient connections. Whether in aerospace, defense, or industrial applications, these connectors provide durability and conductivity for critical operations.