MIL-DTL-38999 Series I connectors offer high-performance connectivity with up to 128 contacts, designed for harsh environments. Featuring front and rear wall mount options, as well as jam nut receptacles, these connectors ensure secure installations. With an operating temperature range from -65°C to 200°C, they are suitable for a wide range of applications. The connectors utilize M39029 rear release crimp contacts in various sizes and offer multiple plating options such as cadmium and nickel finishes. Constructed with high-strength aluminum shells, they provide durability and reliability in demanding conditions. RoHS compliant versions are available, making them environmentally friendly choices for military and industrial applications.