MIL-DTL-38999 III (D38999) harsh environment connectors offer reliable performance in demanding settings. Available in wall mount receptacles, jam nut receptacles, and straight self-locking RFI plugs, they come in 9 shell sizes and 54 insert arrangements with M39029 contacts. Featuring a variety of shell materials like aluminum, stainless steel, and lightweight composite, these connectors offer versatility. With options for RoHS-compliant, cadmium-free finishes and Boeing BACC-approved designs, they ensure compliance and quality assurance. Perfect for military, aerospace, and other rugged applications, these connectors provide durable and secure connectivity in extreme conditions.