The MIL-DTL-38999 Series II connectors offer reliable performance in harsh environments, featuring up to 128 contacts sealed for environmental protection. Operating between -65°C and 200°C, these connectors come in various configurations such as front and rear wall mount, jam nut, and box mount receptacles. With options for straight, RFI grounding, and 90-degree cable clamp plugs, they cater to diverse connectivity needs. Utilizing M39029 rear release crimp contacts, they ensure secure connections in sizes 22D, 22M, 22, 20, 16, and 12. Constructed with aluminum shells and available in different plating options, including RoHS compliant finishes, they meet stringent quality standards. Ideal for military and industrial applications, these connectors deliver reliable performance with 500 mating cycles.