MIL-DTL-38999 Series I connectors offer reliable connectivity in harsh environments with up to 128 contacts in an insert. Featuring front wall mount, rear wall mount, and jam nut receptacles, they are sealed for environmental protection and can operate in temperatures ranging from -65°C to 200°C. These connectors, compliant with military specification MIL-DTL-38999 I, come in high-strength aluminum shells with various plating options such as gold, electroless nickel, and cadmium finishes. Utilizing M39029 rear release crimp contacts in sizes 22D, 22M, 22, 20, 16, and 8, they ensure secure connections. With RoHS certified cadmium-free options, these connectors are suitable for demanding applications requiring durability and performance.