MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts housed in an insert for secure connectivity. With a wide operating temperature range of -65°C to 200°C, these connectors are ideal for various applications. Available in different configurations such as front and rear wall mount, jam nut, and box mount receptacles, they offer versatility in installation. The aluminum shells come in various plating options, including cadmium-free finishes, ensuring durability and compliance. These connectors, with gold contact plating and removable crimp contacts, guarantee reliable performance with 500 mating cycles. Suitable for environment-resistant and conductive applications, they are a dependable choice for demanding environments.