The MIL-DTL-38999 Series I connectors feature a rugged design with up to 128 contacts housed in an environmentally sealed insert, suitable for harsh operating conditions. With an impressive temperature range from -65 °C to 200 °C, these connectors offer reliable performance in extreme environments. Available in various configurations including front wall mount, rear wall mount, and jam nut receptacles, they ensure versatility in installation. Utilizing M39029 rear release crimp contacts, these connectors come in 9 shell sizes and 52 insert arrangements, accommodating diverse applications. Constructed with high-strength aluminum shells and offered in multiple plating options, including RoHS certified finishes, they guarantee durability and compliance with environmental standards. Perfect for military and industrial use, these connectors provide secure and efficient electrical connections in demanding settings.