MIL-DTL-38999 Series II connectors offer robust connectivity solutions in harsh environments, featuring up to 128 contacts within each insert. With a wide operating temperature range from -65 °C to 200 °C, these environmentally sealed connectors are designed for durability. Available in various mounting options including front and rear wall mount, jam nut, and box mount receptacles, they cater to diverse installation needs. The connectors come in aluminum shells with a choice of plating finishes, such as cadmium-free options for RoHS compliance. Utilizing M39029 rear release crimp contacts, they ensure secure and reliable connections. Ideal for military, aerospace, and industrial applications, these circular plugs meet stringent MIL-DTL-38999 II specifications, guaranteeing performance and longevity in demanding environments.