The MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in an insert and environmental sealing for reliable performance. With an operating temperature range of -65 °C to 200 °C, they ensure durability in extreme conditions. Available in various configurations including front and rear wall mount, jam nut, and box mount receptacles, these connectors offer flexibility for different applications. Made with aluminum shells and offering multiple plating options, such as cadmium-free finishes, they meet stringent quality standards. Ideal for military, aerospace, and industrial use, these connectors provide secure and efficient electrical connections in demanding settings.