MIL-DTL-38999 Series I connectors offer robust connectivity with up to 128 contacts in a sealed insert, designed for extreme environments. Featuring front and rear wall mount options, as well as jam nut receptacles, these connectors meet stringent military specifications for reliability. Utilizing M39029 rear release crimp contacts, they ensure secure connections in sizes 22D, 22M, 22, 20, 16, and 8. With a wide range of plating options including cadmium-free finishes, such as electroless nickel and black anodized aluminum, these connectors are suitable for diverse applications. Operating between -65°C and 200°C, they provide dependable performance in harsh conditions. With a service rating of I and compliance with RoHS regulations, they guarantee both durability and environmental responsibility.