MIL-DTL-38999 Series I connectors are designed for 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 offer flexibility in design. Made of high-strength aluminum, they come in different plating options, including cadmium-free finishes. Offering reliable performance, these connectors are environmentally sealed and suitable for military and aerospace use. With options for front wall mount, rear wall mount, and jam nut receptacles, they provide versatility in installation. Designed for durability, they meet stringent military specifications for quality and performance.