MIL-DTL-38999 Series I connectors feature up to 128 contacts in an environmentally sealed insert, designed for harsh environments with an operating temperature range of -65°C to 200°C. Available in various mounting options including front wall, rear wall, and jam nut receptacles, these connectors offer versatility in connectivity solutions. With 52 insert arrangements and M39029 rear release crimp contacts in multiple sizes, they provide flexibility for different applications. Constructed with high strength aluminum shells and offered in a range of plating options, including RoHS certified finishes, these connectors ensure durability and reliability. Suitable for military and industrial use, they meet stringent performance standards for conductivity and environmental resistance.