MIL-DTL-38999 Series I connectors feature up to 128 contacts within an environmentally sealed insert, designed for harsh environments with an operating temperature range of -65 °C to 200 °C. Available in various mounting options including front and rear wall mount, as well as jam nut receptacles, they offer versatility for different applications. Utilizing M39029 rear release crimp contacts in multiple sizes, these connectors ensure reliable connectivity. With a range of plating options such as gold, electroless nickel, and cadmium finishes, they cater to diverse needs. Constructed with high-strength aluminum shells, they provide durability and conductivity. RoHS compliant options are also available, making them suitable for environmentally conscious projects. The MIL-DTL-38999 Series I connectors are ideal for demanding military and industrial settings, offering secure and efficient electrical connections.