MIL-DTL-38999 Series II connectors are designed for rugged environments, featuring up to 128 contacts in an insert with environmental sealing. Operating within a wide temperature range of -65 °C to 200 °C, these connectors offer reliable performance in harsh conditions. Available in various configurations such as front wall mount, rear wall mount, jam nut, and more, they cater to diverse installation needs. With 52 insert arrangements and M39029 rear release crimp contacts, these connectors ensure secure and efficient connections. Crafted from aluminum, they come in different plating options like electroless nickel and cadmium finishes, including RoHS-certified variants. Ideal for military and industrial applications, these connectors guarantee durability and conductivity, meeting stringent standards for performance and reliability.