MIL-DTL-38999 Series I connectors are designed for harsh environments, featuring up to 128 contacts in an environmentally sealed insert. With an operating temperature range of -65 °C to 200 °C, these connectors offer reliability in extreme conditions. Available in various mounting options like front and rear wall mount, as well as jam nut receptacles, they provide flexibility for different applications. Utilizing M39029 rear release crimp contacts in multiple sizes, including coax and twinax, these connectors ensure secure connections. Constructed with high-strength aluminum shells and offered in different plating options such as cadmium and nickel, they meet diverse industrial needs. RoHS compliant finishes are also available, catering to environmental regulations. Perfect for military and industrial use, MIL-DTL-38999 Series I connectors guarantee durability and performance in demanding settings.