MIL-DTL-38999 Series I connectors offer robust performance in harsh environments, featuring up to 128 contacts within a sealed insert. With an operating temperature range from -65°C to 200°C, these connectors are designed for durability. Available in various shell sizes and insert arrangements, they accommodate M39029 rear release crimp contacts in sizes 22D, 22M, 22, 20, 16, and 8. The connector family includes front and rear wall mount options, as well as jam nut receptacles and RFI grounding plugs. Constructed with high-strength aluminum shells, they come with plating options such as electroless nickel, cadmium olive drab, and black anodized aluminum. RoHS compliant finishes are also available. Suitable for military and industrial applications, these connectors ensure reliable connectivity in demanding conditions.