The MIL-DTL-38999 Series I connectors offer robust connectivity for harsh environments, featuring up to 128 contacts within an environmentally sealed insert. With an operating temperature range of -65 °C to 200 °C, these connectors are designed for extreme conditions. Available in various shell sizes and insert arrangements, they accommodate M39029 rear release crimp contacts in sizes 22D, 22M, 22, 20, 16, and 8. Constructed with high strength aluminum shells and offering multiple plating options, including RoHS certified finishes, these connectors ensure durability and reliability. Whether for front wall mount, rear wall mount, or jam nut receptacles, the MIL-DTL-38999 I series provides secure electrical connections in critical applications.