MIL-DTL-38999 Series I connectors feature up to 128 contacts in a sealed insert, designed for harsh environments with an operating temperature range from -65°C to 200°C. Available in various shell sizes and insert arrangements, they offer front and rear wall mount as well as jam nut receptacles and RFI grounding plugs. Utilizing M39029 rear release crimp contacts, these connectors ensure reliable connectivity in demanding applications. Constructed with high-strength aluminum shells and offered with multiple plating options, including RoHS compliant finishes, they guarantee durability and performance. Suitable for military and industrial use, these connectors provide conductive, environment-resistant solutions for critical electronic connections.