The MIL-DTL-38999 Series II connectors boast exceptional durability and performance, meeting stringent military specifications for use in harsh environments. With up to 128 contacts housed within an environmentally sealed insert, these connectors ensure reliable connectivity in extreme conditions. Featuring a wide range of mounting options, including front and rear wall mount, jam nut, and box mount receptacles, they offer versatility for various applications. The plugs, available in straight, RFI grounding, and 90-degree cable clamp configurations, cater to diverse needs. Constructed with aluminum shells and offered in multiple plating options, such as cadmium-free finishes, they prioritize both strength and environmental compliance. Utilizing M39029 rear release crimp contacts, these connectors guarantee secure connections, with a service life of 500 cycles. Whether in aerospace, defense, or industrial settings, the MIL-DTL-38999 Series II connectors deliver optimal performance, with an operating temperature range of -65°C to 200°C.