MIL-DTL-38999 Series II connectors feature up to 128 contacts in an environmentally sealed insert for rugged performance in harsh conditions. With an operating temperature range of -65°C to 200°C, these connectors offer reliability in extreme environments. Available in various mounting styles including front wall, rear wall, jam nut, rear box, and front box, they cater to diverse installation needs. The plugs, offered in straight, RFI grounding, and standard configurations with a 90-degree cable clamp, ensure secure connections. Featuring 9 shell sizes and 52 insert arrangements with M39029 rear release crimp contacts, they provide versatility for different applications. Constructed with aluminum shells and offering multiple plating options, including cadmium-free finishes, these connectors prioritize durability and compliance. The MS27474 connectors, part of the MIL-DTL-38999 II series, meet stringent military specifications for performance and quality assurance.