The MIL-DTL-38999 Series I connectors are designed for rugged environments, offering up to 128 contacts in a secure insert. With a wide operating temperature range of -65°C to 200°C, these connectors are ideal for harsh conditions. Available in various shell sizes and insert arrangements, they feature front wall mount, rear wall mount, and jam nut receptacles, with RFI grounding plugs for added functionality. Constructed with high strength aluminum shells and offering multiple plating options, including cadmium-free finishes, these connectors ensure reliable performance. Utilizing M39029 rear release crimp contacts in different sizes, they guarantee secure connections for applications requiring durability and resistance to environmental factors.