The MIL-DTL-38999 Series II connectors are designed for harsh environments, offering secure and reliable connectivity with up to 128 contacts in an insert. Featuring a wide operating temperature range from -65 °C to 200 °C, these connectors are environmentally sealed for optimal performance. Available in various mounting styles such as front wall mount, rear wall mount, jam nut, and box mount receptacles, they cater to diverse installation needs. With options for straight, RFI grounding, and 90-degree cable clamp plugs, these connectors come in 9 shell sizes and 52 insert arrangements, accommodating different contact sizes. Constructed with aluminum shells and offering multiple plating options including cadmium-free finishes, they meet stringent quality standards. Ideal for military and industrial applications, these connectors ensure longevity with 500 mating cycles and reliable conductivity. RoHS compliant and built for durability, they are the perfect choice for demanding environments.