MIL-DTL-38999 Series II connectors offer reliable connectivity in harsh environments with up to 128 contacts, sealed for protection. Operating between -65 °C and 200 °C, these connectors come in various configurations including front and rear wall mount, jam nut, and box mount receptacles. Featuring straight, RFI grounding, and standard plugs with a 90-degree cable clamp, they accommodate diverse needs. With 9 shell sizes and 52 insert arrangements utilizing M39029 rear release crimp contacts, these connectors ensure secure connections. Constructed with aluminum shells and offering plating options such as electroless nickel and cadmium finishes, they meet stringent requirements. RoHS certified options are also available. Perfect for military and industrial applications, these connectors guarantee durability and performance in challenging conditions.