MIL-DTL-38999 Series II connectors offer reliable connectivity in harsh environments, featuring up to 128 contacts in an insert and environmental sealing. With an operating temperature range of -65 °C to 200 °C, they are suitable for demanding applications. Available in various receptacle types such as front wall mount, rear wall mount, and jam nut, as well as plug options including straight and 90-degree cable clamp, these connectors provide versatility. Utilizing M39029 rear release crimp contacts, they ensure secure connections. Constructed with aluminum shells and offering plating options like electroless nickel and anodized aluminum, they meet diverse requirements. RoHS compliant finishes are also available, making them a reliable choice for military and industrial use.