The MIL-DTL-38999 III (D38999) harsh environment connectors offer rugged reliability with wall mount receptacles, jam nut receptacles, and straight self-locking RFI plugs. Available in 9 shell sizes and 54 insert arrangements, they feature M39029 contacts in various sizes for optimal connectivity. With shell options in aluminum, stainless steel, and lightweight composite, and plating choices including olive drab cadmium, nickel, and black zinc nickel, these connectors meet diverse application needs. RoHS-compliant and Boeing BACC-approved designs ensure compliance and quality assurance. Perfect for military, aerospace, and industrial use, these Series 3 connectors deliver high performance in demanding environments.