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, they offer versatility with M39029 rear release crimp contacts. These connectors, with front and rear wall mount options, as well as jam nut receptacles and RFI grounding plugs, ensure secure connections. Made of high-strength aluminum, they come in different plating options, including cadmium-free finishes for RoHS compliance. Ideal for military and industrial applications, these connectors provide reliable performance in demanding conditions.