MIL-DTL-38999 Series II connectors offer high-performance connectivity with up to 128 contacts, ensuring reliable signal transmission in harsh environments. 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 provide versatile installation solutions. Available in 9 shell sizes and 52 insert arrangements, these connectors utilize M39029 rear release crimp contacts for secure connections. Constructed with aluminum shells and offering multiple plating options, including cadmium-free finishes, they meet RoHS certification standards. With a durable design and gold-plated removable crimp contacts, these connectors guarantee long-lasting performance, making them ideal for military and industrial applications.