MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in an insert for reliable connectivity. With environmental sealing and an impressive operating temperature range from -65 °C to 200 °C, these connectors are ideal for demanding applications. Available in various mounting options including front wall mount, rear wall mount, jam nut, and more, they offer flexibility in installation. The connectors come in 9 shell sizes and 52 insert arrangements, accommodating different contact types. Constructed with aluminum shells and offering multiple plating options, they ensure durability and performance. With RoHS certified finishes available, these connectors meet stringent environmental standards. Perfect for military and industrial use, the MIL-DTL-38999 Series II connectors guarantee secure and efficient electrical connections in challenging conditions.