The MIL-DTL-38999 Series I connectors are designed for harsh environments, boasting up to 128 contacts within their inserts. With a wide operating temperature range of -65 °C to 200 °C, these connectors are ideal for demanding applications. Available in various shell sizes and insert arrangements, they feature front wall mount, rear wall mount, and jam nut receptacles, along with RFI grounding plugs. Constructed with high-strength aluminum shells, they offer durability and reliability. The connectors come with a range of plating options, including cadmium-free finishes for RoHS compliance. Suitable for military and industrial use, they ensure secure and efficient electrical connections in challenging conditions.