MIL-DTL-38999 Series II connectors boast up to 128 contacts within a sealed insert, offering reliable performance in harsh environments. Operating seamlessly in temperatures ranging from -65 °C to 200 °C, these connectors come in various styles, including front and rear wall mounts, jam nuts, and box mounts. Featuring thin walls and restricted lengths, they ensure space efficiency without compromising on functionality. Available in 9 shell sizes and 52 insert arrangements, they utilize M39029 rear release crimp contacts for secure connections. Constructed with aluminum shells and offering multiple plating options, such as cadmium-free finishes, these connectors prioritize durability and compliance. Perfect for military and industrial applications, they guarantee a service life of 500 cycles and reliable conductivity, making them essential components for demanding environments.