MIL-DTL-38999 Series II connectors are designed for rugged environments, featuring up to 128 contacts in an insert and operating reliably in temperatures ranging from -65 °C to 200 °C. These connectors offer various mounting options including front and rear wall mount, jam nut, and box mount receptacles. Available in aluminum shells with a choice of plating options, they ensure durability and performance. With M39029 rear release crimp contacts in multiple sizes, these connectors provide flexibility in design. Ideal for military and industrial applications, they are compliant with RoHS regulations and guarantee 500 mating cycles.