The MIL-DTL-38999 Series II connectors feature up to 128 contacts and are designed for harsh environments, with an operating temperature range of -65°C to 200°C. Available in various mounting options 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, are constructed with aluminum shells and offer reliable performance with RoHS certified finishes. Utilizing M39029 rear release crimp contacts, they ensure secure connections in demanding applications. With gold contact plating and environmental sealing, they provide durability and conductivity, making them ideal for use in aerospace, defense, and industrial settings.