MIL-DTL-38999 Series I connectors are built for rugged environments, featuring up to 128 contacts in a sealed insert. With a wide operating temperature range of -65 °C to 200 °C, these connectors offer reliability in extreme conditions. Available in various mounting options such as front and rear wall mount, as well as jam nut receptacles, they ensure versatility in installation. Utilizing M39029 rear release crimp contacts, they provide secure connections in sizes 22D, 22M, 22, 20, 16, and 8. The high-strength aluminum shells come in different plating options, including cadmium and nickel finishes. RoHS compliant choices are also offered, catering to diverse application needs. The MIL-DTL-38999 I connectors, with their durable construction and multiple features, are ideal for military and industrial applications requiring dependable electrical connectivity in harsh environments.