MIL-DTL-38999 Series III Connectors are high-performance cylindrical Hermetic connectors designed for cable-to-panel I/O applications for the military, commercial aerospace, and industrial applications. Offers reliable high-performance interconnect solutions for harsh environment applications. These Tri-start connectors provide features like environmental sealing, self-locking, quick screw coupling, corrosion resistance, durability, 360° shielding, scoop proof, etc., Available in materials such as Aluminum, Stainless steel, Titanium, Marine Bronze, and composite with different plating like Nickel, Cadmium, etc., VMX HI-Connectors provides the MIL-Equivalent Series III Connectors meeting and exceeding all of the specifications for performance and durability.