MIL-DTL-38999 Series I connectors, designed for harsh environments, feature front and rear wall mount options, as well as jam nut receptacles and RFI grounding plugs. With up to 128 contacts within an environmentally sealed insert, they ensure reliable performance in extreme conditions. Utilizing M39029 rear release crimp contacts, these connectors come in various sizes and insert arrangements, including sizes 22D, 22M, 22, 20, 16, and 8 for coax and twinax applications. Constructed with high-strength aluminum shells and available in different plating options such as cadmium and nickel, they offer durability and versatility. Meeting stringent military specifications for service in rugged settings, these connectors guarantee secure and efficient electrical connectivity.