MIL-DTL-38999 Series II connectors feature up to 128 contacts within an environmentally sealed insert, designed for rugged applications with an operating range of -65 °C to 200 °C. Available in various configurations including front and rear wall mount, jam nut, and box mount receptacles, these connectors offer versatile connectivity options. With 52 insert arrangements and M39029 rear release crimp contacts, they ensure secure and reliable connections. Constructed with aluminum shells and offered in multiple plating options, such as electroless nickel and cadmium finishes, these connectors meet stringent military specifications. Ideal for demanding environments, they provide EMI/RFI shielding and are RoHS compliant, making them suitable for a wide range of applications requiring durable and high-performance connectivity solutions.