The MIL-DTL-38999 Series I connectors offer high-performance connectivity solutions for demanding environments. Featuring up to 128 contacts in an environmentally sealed insert, these connectors have a wide operating temperature range from -65 °C to 200 °C. Available in various configurations including front wall mount, rear wall mount, and jam nut receptacles, they ensure secure and reliable connections. With 52 insert arrangements and M39029 rear release crimp contacts, they provide flexibility for different applications. Constructed with high-strength aluminum shells and offering multiple plating options for enhanced durability, these connectors are designed to meet stringent military specifications. The RoHS compliant cadmium-free finishes further enhance their environmental compatibility, making them ideal for a wide range of industrial and military applications.