MIL-DTL-38999 Series I connectors are rugged and reliable, with up to 128 contacts in an environmentally sealed insert. Designed for harsh environments, they offer a wide operating temperature range from -65 °C to 200 °C. Available in various shell sizes and insert arrangements, these connectors feature front wall mount, rear wall mount, and jam nut receptacles with RFI grounding plugs. Constructed with high-strength aluminum shells and a choice of plating options, including cadmium-free finishes, they ensure durability and performance in demanding applications. Suitable for military and industrial use, they meet stringent MIL-DTL-38999 I specifications for quality and reliability.