MIL-DTL-38999 Series I connectors feature up to 128 contacts in an environmentally sealed insert, designed for harsh environments with an operating temperature range of -65°C to 200°C. This connector family offers front wall mount, rear wall mount, and jam nut receptacles, along with RFI grounding plugs. Available in nine shell sizes and 52 insert arrangements, they use M39029 rear release crimp contacts in various sizes. Constructed with high-strength aluminum shells, they come with multiple plating options, including cadmium-free finishes. These connectors, compliant with MIL-DTL-38999 I specifications, are ideal for military and industrial applications requiring reliable electrical connections in demanding conditions.