MIL-DTL-38999 Series II connectors offer high performance with up to 128 contacts in an insert, designed for harsh environments. Featuring various mounting options like jam nut, front and rear wall mount, and front box mount, these connectors ensure secure and reliable connections. With operating temperatures ranging from -65 °C to 200 °C, they are suitable for a wide range of applications. The connectors come in aluminum shells with plating options including gold, electroless nickel, and cadmium-free finishes, meeting RoHS compliance. Utilizing M39029 rear release crimp contacts, they guarantee durability with a mating cycle of 500 cycles. Perfect for military and industrial use, these connectors provide excellent conductivity and ingress protection.