MIL-DTL-38999 Series I connectors are designed for rugged environments, featuring up to 128 contacts within a sealed 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 for different requirements. The connectors come in high-strength aluminum shells with multiple plating options, including cadmium-free finishes for RoHS compliance. Front wall mount, rear wall mount, and jam nut receptacles, along with RFI grounding plugs, provide versatility in installation. Utilizing M39029 rear release crimp contacts, these connectors ensure secure and reliable connections. Perfect for military and industrial use, they are known for their durability and performance in harsh conditions.