MIL-DTL-38999 Series I connectors feature up to 128 contacts enclosed in a sealed insert, designed for harsh environments with an operating range of -65°C to 200°C. Available in various mounting options like front and rear wall mount and jam nut receptacles, they ensure secure connections. Utilizing M39029 rear release crimp contacts, these connectors come in 9 shell sizes and 52 insert arrangements, accommodating different contact sizes. Crafted from high-strength aluminum, they offer durability and reliability. Plating options include cadmium finishes and RoHS compliant choices. Suitable for military and industrial applications, they provide a reliable solution for demanding environments.