MIL-DTL-38999 Series II connectors are designed for harsh environments, with up to 128 contacts sealed within the insert. These connectors, featuring various mounting options including front and rear wall mount, jam nut, and box mount receptacles, offer versatility in installation. With a wide operating temperature range from -65°C to 200°C, they are suitable for demanding applications. Constructed with aluminum shells and available in different plating options, including cadmium-free finishes, they ensure durability and reliability. The connectors utilize M39029 rear release crimp contacts in various sizes, offering flexibility in design. Meeting military specification MIL-DTL-38999 II, they are ideal for use in rugged environments where high-performance connectivity is essential. (Word count: 114)