The MIL-DTL-38999 Series II connectors are designed for rugged environments, featuring up to 128 contacts for reliable connectivity. With a wide operating temperature range of -65 °C to 200 °C, these connectors are suitable for harsh conditions. Available in various mounting styles such as front and rear wall mount, jam nut, and box mount receptacles, they offer flexibility in installation. The connectors come in aluminum shells with options for different plating finishes, including cadmium-free choices for RoHS compliance. Utilizing M39029 rear release crimp contacts, they ensure secure connections. Perfect for military and industrial applications, these connectors provide EMI/RFI shielding and durability with a service rating of II.