MIL-DTL-38999 Series I connectors are engineered for rugged environments, boasting up to 128 contacts housed in a sealed insert. With an impressive operating range of -65°C to 200°C, they offer reliability in extreme conditions. Available in various configurations including front and rear wall mount receptacles, these connectors feature RFI grounding plugs for enhanced performance. Crafted from high-strength aluminum, they come in 9 shell sizes and 52 insert arrangements, accommodating M39029 rear release crimp contacts in multiple sizes. Plating options such as cadmium and electroless nickel ensure durability, with RoHS-certified finishes available. A staple in military and industrial applications, these connectors deliver secure and efficient electrical connections.