MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in an environmentally sealed insert. With a wide operating temperature range from -65 °C to 200 °C, these connectors are versatile and reliable. Available in various mounting styles such as front wall mount, rear wall mount, jam nut, and more, they offer flexibility in installation. Constructed with aluminum shells and offering a range of plating options, including RoHS certified finishes, these connectors ensure durability and performance. With features like bayonet coupling and removable crimp contacts, they are ideal for military and aerospace applications requiring secure and efficient electrical connections.