MIL-DTL-38999 Series II connectors are designed for harsh environments, offering up to 128 contacts in an insert. With environmental sealing and a wide operating temperature range from -65°C to 200°C, they ensure reliable performance in demanding conditions. Available in various configurations such as front wall mount, rear wall mount, jam nut, and more, these connectors cater to diverse installation needs. Featuring aluminum shells with plating options including cadmium-free finishes, they meet stringent quality standards. The connectors utilize M39029 rear release crimp contacts for secure connections. Ideal for military and industrial applications, they provide EMI/RFI shielding and long-lasting durability, with a service rating of I.