MIL-DTL-38999 Series I connectors feature up to 128 contacts in an insert, designed for harsh environments with operating temperatures ranging from -65 °C to 200 °C. Available in various mounting options including front wall, rear wall, and jam nut receptacles, they ensure secure connections in demanding scenarios. Utilizing M39029 rear release crimp contacts in multiple sizes, these connectors offer versatility with 52 insert arrangements. Constructed with high-strength aluminum shells and offering a range of plating options including cadmium-free finishes, they meet stringent military specifications for durability and performance. Suitable for diverse applications, these connectors provide reliable electrical connectivity in challenging conditions.