The MIL-DTL-38999 Series I connectors are designed for harsh environments, featuring up to 128 contacts with environmental sealing and a wide operating temperature range of -65 °C to 200 °C. Available in various configurations including front and rear wall mount, as well as jam nut receptacles, they offer versatility in connectivity solutions. Utilizing M39029 rear release crimp contacts, these connectors ensure secure and reliable connections. Constructed with high strength aluminum shells and offered in different plating options, they meet stringent military specifications for durability. With RoHS certified cadmium-free finishes available, these connectors are suitable for a range of applications requiring rugged performance.