The MIL-DTL-38999 Series II connectors offer exceptional performance in harsh environments, featuring up to 128 contacts housed in a rugged insert. These connectors are fully environmentally sealed, ensuring reliable operation in extreme conditions with an impressive operating temperature range from -65 °C to 200 °C. Available in various mounting styles including front and rear wall mount, jam nut, and box mount receptacles, they provide versatile connectivity solutions. Compliant with military specification MIL-DTL-38999 II, these circular receptacles are meticulously designed for durability and efficiency. With gold-plated contact pins and electroless nickel coating on aluminum shells, they guarantee superior conductivity and corrosion resistance. Whether for military, aerospace, or industrial applications, these connectors deliver high performance and longevity, meeting the demands of critical operations with a service life of 500 cycles. Rest assured, the MIL-DTL-38999 Series II connectors are a reliable choice for your connectivity needs.