The MIL-DTL-38999 Series I connectors feature up to 128 contacts housed in an insert, designed for harsh environments with a wide 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 ensure reliable performance. Utilizing M39029 rear release crimp contacts in different sizes, they offer versatility in connectivity. Constructed with high strength aluminum shells and plated with options like cadmium and nickel, they provide durability and performance. With RoHS compliant finishes available, these connectors are ideal for demanding applications that require rugged, environmentally sealed connectivity.