The MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in an environmentally sealed insert. With an operating temperature range of -65 °C to 200 °C, these connectors offer reliable performance in extreme conditions. Available in various mounting options including front and rear wall mount, jam nut, and box mount receptacles, they meet stringent military specifications. Utilizing M39029 rear release crimp contacts in sizes 22D, 22M, 22, 20, 16, and 12, these connectors ensure secure and efficient connections. Constructed with aluminum shells and offering multiple plating options, including RoHS-compliant finishes, they provide durability and versatility. Perfect for applications requiring EMI/RFI shielding, these connectors are essential for demanding industrial and military environments.