The MIL-DTL-38999 Series I connectors feature up to 128 contacts housed in an environmentally sealed insert, designed for harsh operating conditions with a temperature range of -65 °C to 200 °C. Available in various configurations including front and rear wall mount and jam nut receptacles, they ensure reliable connectivity in demanding environments. With 52 insert arrangements and M39029 rear release crimp contacts, these connectors offer versatility for different applications. Constructed with high strength aluminum shells and offering a choice of plating options, including RoHS certified finishes, they guarantee durability and performance. Suitable for military and industrial use, the MIL-DTL-38999 I connectors are essential components for secure and efficient electrical connections.