The MIL-DTL-38999 Series II connectors are designed for harsh environments, offering up to 128 contacts in an insert. With a wide operating temperature range of -65°C to 200°C, these connectors provide reliable performance in extreme conditions. Featuring various mounting options like front wall mount, rear wall mount, and jam nut receptacles, they meet diverse installation needs. The connectors come in aluminum shells with plating options including electroless nickel and cadmium finishes. Utilizing M39029 rear release crimp contacts, they ensure secure connections. Ideal for military and industrial applications, these connectors are built to withstand rugged environments, making them a dependable choice for demanding operations.