MIL-DTL-38999 Series I connectors offer rugged reliability in harsh environments with up to 128 contacts housed in an insert. These environmentally sealed connectors feature a wide operating temperature range from -65 °C to 200 °C. Available in various configurations such as front wall mount, rear wall mount, and jam nut receptacles, they cater to diverse connectivity needs. Utilizing M39029 rear release crimp contacts, these connectors ensure secure and efficient connections. Constructed with high-strength aluminum shells and offered in multiple plating options including cadmium-free finishes, they meet stringent military specifications for performance and durability. With RoHS compliance and a service rating of E, these connectors are ideal for applications requiring reliable electrical connections in challenging conditions.