MIL-DTL-38999 Series I connectors feature up to 128 contacts within an insert, providing environmental sealing and a wide operating temperature range of -65°C to 200°C. Available in various shell sizes and insert arrangements, these connectors boast M39029 rear release crimp contacts for reliable connectivity. The high-strength aluminum shells come with multiple plating options, including cadmium-free finishes, ensuring durability and performance in harsh environments. With options for front and rear wall mount as well as jam nut receptacles, these connectors are ideal for military and aerospace applications requiring secure and efficient electrical connections.