MIL-DTL-38999 Series II connectors offer high-performance connectivity with up to 128 contacts in an insert, designed for harsh environments. These environmentally sealed connectors have a wide operating temperature range from -65 °C to 200 °C, ensuring reliability in extreme conditions. Available in various configurations including front and rear wall mount, jam nut, and box mount receptacles, they are versatile for different applications. Featuring aluminum shells with options for plating such as electroless nickel and cadmium finishes, these connectors meet stringent military specifications. With removable crimp contacts and bayonet coupling, they provide secure and efficient connectivity. Suitable for wall mounting, these connectors are ideal for aerospace, defense, and industrial applications.