MIL-DTL-38999 Series I connectors offer high performance in harsh environments, featuring up to 128 contacts in an insert. With a wide operating temperature range of -65°C to 200°C, these connectors are ideal for demanding applications. Available in various shell sizes and insert arrangements, they provide versatility for different needs. Constructed with high strength aluminum shells and offered in multiple plating options, including RoHS certified finishes, these connectors ensure reliability and durability. The MIL-DTL-38999 I family includes front wall mount, rear wall mount, and jam nut receptacles, as well as RFI grounding plugs, catering to diverse installation requirements. Designed for military specifications, these circular connectors meet stringent performance standards, making them a trusted choice for critical electrical connections in aerospace, defense, and industrial applications.