MIL-DTL-38999 Series II connectors feature up to 128 contacts in an environmentally sealed insert, designed for robust performance in harsh environments. With an operating temperature range from -65 °C to 200 °C, these connectors offer reliable connectivity in extreme conditions. Available in various styles including front and rear wall mount, jam nut, and box mount receptacles, they provide versatility for different applications. Utilizing M39029 rear release crimp contacts in sizes 22D, 22M, 22, 20, 16, and 12, they ensure secure connections. Constructed with aluminum shells and offered in multiple plating options, these connectors meet stringent military specifications. From gold plating for optimal conductivity to RoHS compliant cadmium-free finishes, they cater to diverse requirements. Suitable for Box Mounting Flange Receptacle types, they are ideal for demanding environments where durability and performance are essential.