The MIL-DTL-38999 Series I connectors are designed for harsh environments, featuring up to 128 contacts in an insert. With a wide operating temperature range from -65 °C to 200 °C, these connectors are ideal for demanding applications. Available in various shell sizes and insert arrangements, they offer flexibility for different connectivity needs. Constructed with high-strength aluminum shells and offering multiple plating options, including RoHS-certified finishes, these connectors ensure reliable performance. The jam nut mounting, rear wall mount, and front wall mount receptacles, along with RFI grounding plugs, cater to diverse installation requirements. Utilizing M39029 rear release crimp contacts in different sizes, these connectors provide secure and efficient connections. Overall, the MIL-DTL-38999 Series I connectors are a rugged and dependable solution for military and industrial settings.