The D38999/26WE26PN is a military-grade circular connector specified by the MIL-DTL-38999 standard. It is a self-locking plug with integrated RFI grounding, designed for high-reliability applications. The connector features a size E aluminum shell with an olive drab cadmium finish over an electroless nickel base, ensuring robust performance and corrosion resistance. This configuration includes an insert arrangement 26 with pin-style contacts and normal polarization. Its rugged construction makes it ideal for demanding military and aerospace environments where secure and shielded electrical connections are paramount.