MIL-DTL-38999 Series II connectors are rugged and versatile, designed for harsh environments with up to 128 contacts in an insert. Featuring various mounting options like front and rear wall mount, jam nut, and box mount receptacles, these connectors offer flexibility in installation. With an operating temperature range from -65 °C to 200 °C, they are suitable for demanding applications. Utilizing M39029 rear release crimp contacts, they ensure reliable connections. Available in aluminum shells with different plating options, including RoHS compliant finishes, these connectors provide durability and performance. Ideal for military and industrial use, they meet stringent quality standards for conductivity and environmental resistance.