MIL-DTL-38999 Series I connectors offer robust connectivity solutions for harsh environments. With up to 128 gold-plated contacts in an insert, they ensure reliable performance in extreme conditions, with an operating temperature range from -65°C to 200°C. Featuring front wall mount, rear wall mount, and jam nut receptacles, as well as RFI grounding plugs, these connectors provide versatility in installation. Available in 9 shell sizes and 52 insert arrangements, they accommodate various contact types, including M39029 rear release crimp contacts. Crafted from high-strength aluminum with a range of plating options, such as electroless nickel, they meet stringent military specifications for durability. Suitable for applications requiring conductivity and environmental resistance, these connectors are ideal for aerospace, defense, and industrial use.