MIL-DTL-38999 Series I connectors are designed for rugged environments, featuring up to 128 contacts in an environmentally sealed insert. With a wide operating temperature range from -65 °C to 200 °C, they offer reliable performance in harsh conditions. Available in various shell sizes and insert arrangements, these connectors come in high-strength aluminum shells with options for different plating finishes, including RoHS-certified cadmium-free coatings. The connector family includes front wall mount, rear wall mount, and jam nut receptacles, as well as RFI grounding plugs, catering to diverse installation needs. Utilizing M39029 rear release crimp contacts, they ensure secure connections for critical applications. Perfect for military and industrial use, these connectors meet MIL-DTL-38999 I specifications for quality and performance.