MIL-DTL-38999 Series I connectors offer reliable connectivity in harsh environments with up to 128 contacts housed in an environmentally sealed insert. Operating smoothly in temperatures ranging from -65 °C to 200 °C, these connectors come in a variety of configurations including front wall mount, rear wall mount, and jam nut receptacles. Utilizing M39029 rear release crimp contacts, they ensure secure connections in sizes 22D, 22M, 22, 20, 16, and 8. Featuring high-strength aluminum shells with options for plating such as electroless nickel and cadmium olive drab, they meet stringent military specifications for durability. RoHS certified finishes are also available, catering to diverse application needs.