MIL-DTL-38999 Series II connectors, designed for harsh environments, offer reliable performance with up to 128 contacts in an insert. These environmentally sealed connectors operate efficiently in temperatures ranging from -65 °C to 200 °C. Featuring various mounting options such as front and rear wall mount, jam nut, and box mount receptacles, they cater to diverse application needs. Available in 9 shell sizes and 52 insert arrangements, these connectors use M39029 rear release crimp contacts for secure connections. Crafted from durable aluminum with plating options including cadmium and nickel, they ensure longevity and performance. RoHS compliant finishes are also offered, making them ideal for a wide range of industries. With a focus on quality and versatility, MIL-DTL-38999 Series II connectors are the perfect choice for demanding electrical applications.