MIL-DTL-38999 Series I connectors offer rugged reliability in harsh environments, featuring up to 128 contacts within an insert. Designed for extreme conditions, they boast a wide operating temperature range from -65°C to 200°C and are environmentally sealed for optimal performance. Available in various configurations, including front wall mount, rear wall mount, and jam nut receptacles, these connectors ensure secure connections in military and aerospace applications. With 52 insert arrangements and M39029 rear release crimp contacts, they provide versatility for different setups. Constructed with high-strength aluminum shells and offering multiple plating options, such as gold and electroless nickel, they guarantee durability and corrosion resistance. RoHS compliant finishes are also available. Ideal for demanding environments, MIL-DTL-38999 Series I connectors deliver reliable connectivity in critical systems.