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. Available in various shell sizes and insert arrangements, these connectors offer front wall mount, rear wall mount, and jam nut receptacles, along with RFI grounding plugs. Utilizing M39029 rear release crimp contacts, they ensure secure connectivity. Constructed with high-strength aluminum shells, they come with plating options such as cadmium and nickel, meeting RoHS compliance. Suitable for military and industrial applications, these connectors provide reliable performance in demanding conditions.