MIL-DTL-38999 Series I connectors offer exceptional performance in harsh environments with up to 128 contacts, fully sealed for environmental protection. Operating between -65°C and 200°C, these connectors come in various styles such as front wall mount, rear wall mount, and jam nut receptacles. Featuring a range of shell sizes and insert arrangements, they utilize M39029 rear release crimp contacts, ideal for sizes 22D, 22M, 22, 20, 16, and 8. Constructed with high-strength aluminum shells, they come with multiple plating options including cadmium-free finishes, ensuring durability and reliability. RoHS compliant, these connectors are essential for military and industrial applications requiring rugged and dependable connectivity.