MIL-DTL-38999 Series I connectors boast up to 128 contacts within their environmentally sealed inserts, designed for rugged use in harsh environments. With an operating temperature range from -65 °C to 200 °C, these connectors offer reliability in extreme conditions. Featuring front wall mount, rear wall mount, and jam nut receptacles, as well as RFI grounding plugs, they cater to various installation needs. Available in 9 shell sizes and 52 insert arrangements, these connectors utilize M39029 rear release crimp contacts, ensuring secure connections. Constructed with high-strength aluminum shells and offering multiple plating options such as electroless nickel and cadmium finishes, they meet diverse application requirements. RoHS certified options are also available, making them environmentally friendly choices. Perfect for military and industrial applications, these MIL-DTL-38999 I connectors combine durability, versatility, and performance.