The MIL-DTL-38999 Series II connectors offer reliable connectivity in harsh environments, with up to 128 contacts housed in an environmentally sealed insert. Operating efficiently in a wide temperature range from -65 °C to 200 °C, these connectors come in various configurations including front and rear wall mount, jam nut, and box mount receptacles. Featuring straight, RFI grounding, and standard plugs with a 90-degree cable clamp, they accommodate diverse installation needs. With 9 shell sizes and 52 insert arrangements utilizing M39029 rear release crimp contacts, these connectors provide flexibility for different applications. Constructed from durable aluminum shells and available in multiple plating options, including RoHS compliant finishes, they ensure longevity and performance. Ideal for military and industrial use, these connectors meet MIL-DTL-38999 II specifications, guaranteeing high-quality standards for critical applications.