MIL-DTL-38999 Series I connectors feature up to 128 contacts in an insert, designed for harsh environments with an operating temperature range of -65 °C to 200 °C. Offering front wall mount, rear wall mount, and jam nut receptacles, they ensure reliable connectivity in demanding applications. Available in 9 shell sizes and 52 insert arrangements, these connectors utilize M39029 rear release crimp contacts for secure connections. Constructed with high-strength aluminum shells, they come in various plating options like cadmium and nickel, meeting diverse industrial needs. RoHS compliant finishes are also available. Perfect for military and aerospace applications, these connectors guarantee durability and performance in extreme conditions.