Introducing MIL-DTL-38999 Series I connectors, designed for rugged environments with up to 128 contacts housed in a sealed insert. Operating seamlessly in temperatures from -65 °C to 200 °C, these connectors feature versatile mounting options including front and rear wall mount, and jam nut receptacles. Compliant with military specification MIL-DTL-38999 I, they offer reliable connectivity with M39029 rear release crimp contacts. Available in 9 shell sizes and 52 insert arrangements, these connectors boast high strength aluminum shells with various plating choices such as cadmium and nickel. Ideal for demanding applications, they ensure durability with RoHS certified finishes and a mating life of 500 cycles.