MIL-DTL-38999 Series II connectors feature up to 128 contacts in an environmentally sealed insert, designed for harsh environments with an operating temperature range of -65 °C to 200 °C. Available in various mounting options including front and rear wall mount, jam nut, and box mount receptacles, these connectors offer versatility in installation. The plugs come in straight, RFI grounding, and standard configurations with a 90-degree cable clamp, suitable for a wide range of applications. Utilizing M39029 rear release crimp contacts, they ensure secure and reliable connections. Crafted from aluminum with a choice of plating options, including cadmium-free finishes, these connectors meet RoHS compliance standards. Ideal for military and industrial use, they guarantee durability with a mating life of 500 cycles and conductivity for efficient signal transmission in challenging environments.