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 of -65 °C to 200 °C, these connectors are ideal for rugged applications. Available in various styles including front and rear wall mount, jam nut, and box mount receptacles, they offer versatility in installation. The connectors come in aluminum shells with multiple plating options, ensuring durability and reliability. Utilizing M39029 rear release crimp contacts, they guarantee secure connections. With RoHS compliant finishes, these connectors meet environmental standards, making them a dependable choice for military and industrial use.