MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in an insert. With a wide operating temperature range from -65°C to 200°C, these connectors are ideal for demanding applications. Available in various mounting options such as front and rear wall mount, jam nut, and box mount receptacles, they offer versatility in installation. The connectors come in aluminum shells with different plating options, including RoHS-certified finishes, ensuring durability and reliability. Utilizing M39029 rear release crimp contacts, they provide secure connections. Suitable for military and industrial use, these connectors meet stringent quality standards for performance in challenging conditions.