MIL-DTL-38999 Series II connectors are designed for rugged environments, featuring up to 128 contacts in a secure insert. With a wide operating temperature range of -65°C to 200°C, these connectors ensure reliable performance in extreme conditions. Available in various mounting styles including front wall mount, rear wall mount, and jam nut receptacles, they offer versatility for different applications. The connectors come in aluminum shells with options for plating such as gold, electroless nickel, and cadmium-free finishes, meeting RoHS compliance. Utilizing M39029 rear release crimp contacts, they guarantee secure connections with sizes 22D, 22M, 22, 20, 16, and 12. Whether for military, aerospace, or industrial use, the MIL-DTL-38999 II connectors provide durable and efficient connectivity solutions.