MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in an insert. Offering front and rear wall mount options, as well as jam nut and box mount receptacles, they provide versatile connectivity solutions. With operating temperatures ranging from -65 °C to 200 °C, these connectors are suitable for a wide range of applications. Available in aluminum shells with various plating options, including cadmium-free finishes, they ensure durability and reliability. Utilizing M39029 rear release crimp contacts, these connectors guarantee secure connections. Suitable for military and industrial use, they meet stringent performance standards, making them ideal for demanding environments.