The MIL-DTL-38999 III (D38999) harsh environment connectors are designed to provide reliable electrical connections in demanding applications. Available in various shell sizes and insert arrangements, including wall mount receptacles, jam nut receptacles, and self-locking RFI plugs, these connectors offer versatility for different connectivity needs. Constructed from durable materials such as aluminum, stainless steel, and lightweight composite, they ensure long-lasting performance in challenging environments. With a range of plating options, including olive drab cadmium, nickel, black zinc nickel, and passivated stainless steel, users can select the most suitable finish for their specific requirements. RoHS-compliant and cadmium-free options are also available, meeting environmental regulations. Approved for use in aerospace applications, these connectors offer high reliability and durability for critical systems.