MIL-DTL-38999 Series I connectors offer robust connectivity solutions with up to 128 contacts in an environmentally sealed insert. Operating in extreme temperatures ranging from -65 °C to 200 °C, these connectors are designed for harsh environments. Available in various mounting options, including front and rear wall mount and jam nut receptacles, they ensure versatile installation. The connectors feature M39029 rear release crimp contacts in multiple sizes, catering to diverse application needs. Constructed with high strength aluminum shells and offering a selection of plating options, such as electroless nickel and cadmium-free finishes, they prioritize durability and performance. Meeting stringent military specifications, these connectors are ideal for critical applications requiring reliable and durable electrical connections.