MIL-DTL-38999 Series I connectors feature up to 128 contacts in an insert, offering environmental sealing and a wide operating temperature range of -65 °C to 200 °C. Available in various shell sizes and insert arrangements, these connectors come in front wall mount, rear wall mount, and jam nut receptacle options with RFI grounding plugs. Utilizing M39029 rear release crimp contacts, they ensure secure connections in harsh environments. Constructed with high-strength aluminum shells, they come with plating options like light iridescent yellow cadmium, olive drab cadmium, electroless nickel, and black anodized aluminum, including RoHS-certified finishes. Designed for military specifications, these connectors are ideal for applications requiring durable, reliable, and high-performance electrical connections.