MIL-DTL-38999 Series I connectors are designed for harsh environments, featuring up to 128 contacts in an insert with environmental sealing. Operating between -65°C and 200°C, they offer durability 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. With front and rear wall mount receptacles and RFI grounding plugs, they ensure reliable performance. Utilizing M39029 rear release crimp contacts, they offer secure connections. Meeting military specification MIL-DTL-38999 I, these connectors are ideal for applications requiring rugged and reliable electrical connections.