MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in an insert. With front and rear wall mount options, as well as jam nut and box mount receptacles, they offer versatile connectivity solutions. These connectors, with operating temperatures ranging from -65 °C to 200 °C, are ideal for demanding applications. Available in aluminum shells with various plating options, including RoHS compliant finishes, they ensure reliable performance. The connectors, meeting military specification MIL-DTL-38999 II, boast durability and conductivity, making them suitable for aerospace, defense, and industrial settings.