MIL-DTL-38999 Series I connectors feature up to 128 contacts in an insert, designed for harsh environments with operating temperatures ranging from -65°C to 200°C. Offering front wall mount, rear wall mount, and jam nut receptacles, they ensure secure connections in demanding applications. With 9 shell sizes and 52 insert arrangements available, these connectors utilize M39029 rear release crimp contacts in various sizes. Constructed with high-strength aluminum shells, they come in a range of plating options, including cadmium-free finishes. Meeting military specification MIL-DTL-38999 I, these connectors guarantee reliable performance in rugged conditions, with RoHS compliance ensuring environmental responsibility.