MIL-DTL-38999 Series II connectors feature up to 128 contacts and are designed for harsh environments with an operating temperature range of -65 °C to 200 °C. Available in various mounting styles, including front and rear wall mount, as well as jam nut and box mount receptacles, these connectors offer versatility in deployment. With 52 insert arrangements and M39029 rear release crimp contacts, they ensure reliable connections. The aluminum shells come in different plating options, such as electroless nickel and cadmium finishes, including RoHS compliant versions. Ideal for military and aerospace applications, these connectors provide secure and durable electrical connectivity.