MIL-DTL-38999 Series I connectors offer robust connectivity with up to 128 contacts in an insert, designed for harsh environments. With a wide operating temperature range from -65 °C to 200 °C, these connectors are ideal for demanding applications. Featuring various mounting options including front wall, rear wall, and jam nut receptacles, they provide versatility in installation. The connectors are constructed with high strength aluminum shells and offer multiple plating options such as cadmium and nickel for enhanced durability. Utilizing M39029 rear release crimp contacts, they ensure secure and reliable connections. With RoHS compliant finishes available, these connectors meet stringent environmental standards, making them a reliable choice for military and industrial applications.