MIL-DTL-38999 Series II connectors offer robust performance with up to 128 contacts in an environmentally sealed insert. Designed for harsh environments, these connectors feature various mounting options including front and rear wall mount, jam nut, and box mount receptacles. Available in 9 shell sizes and 52 insert arrangements, they utilize M39029 rear release crimp contacts for secure connections. With a wide range of plating options, including cadmium-free finishes, these connectors ensure reliable conductivity in temperatures ranging from -65 °C to 200 °C. Suitable for military and industrial applications, they provide a durable solution for demanding environments.