The MIL-DTL-38999 Series I connectors are designed for rugged environments, housing up to 128 contacts within an insert. With a wide operating temperature range of -65°C to 200°C, these connectors offer reliable performance in harsh conditions. Available in various shell sizes and insert arrangements, they feature front and rear wall mount options, as well as jam nut receptacles with RFI grounding plugs. Constructed with high-strength aluminum shells and offering multiple plating options, including RoHS-compliant finishes, these connectors ensure durability and connectivity in demanding military and industrial applications.