The MIL-DTL-38999 Series II connectors feature up to 128 environmentally sealed contacts, designed for harsh environments with an operating temperature ranging from -65 °C to 200 °C. Available in various mount types including front and rear wall mount, jam nut, and box mount receptacles, they offer versatility in installation. These connectors, compliant with military specification MIL-DTL-38999 II, come in aluminum shells with options for plating finishes such as gold and electroless nickel. With 52 insert arrangements utilizing M39029 crimp contacts, they ensure reliable connectivity in demanding applications. The straight plug configuration, with EMI/RFI shielding, guarantees secure connections, while the inclusion of RoHS-certified finishes aligns with environmental standards. Trusted for their durability and performance, these connectors are ideal for mission-critical operations.