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 shell sizes and insert arrangements, they come in wall mount and jam nut receptacles with RFI grounding plugs. Utilizing M39029 rear release crimp contacts, including sizes 22D, 22M, 22, 20, 16, and 8 (coax and twinax), these connectors ensure secure connections. Constructed with high-strength aluminum shells and offering plating options like gold, electroless nickel, and cadmium-free finishes, they meet stringent military specifications for performance and durability. Perfect for applications requiring high reliability in challenging environments.