MIL-DTL-38999 Series II connectors are designed for harsh environments, with up to 128 contacts housed in an insert for robust connectivity. Featuring various mounting options such as front and rear wall mount, jam nut, and box mount receptacles, these connectors offer versatility in installation. With a wide operating temperature range of -65 °C to 200 °C, they are suitable for demanding applications. The connectors, available in aluminum shells, come in different plating options including cadmium-free finishes for RoHS compliance. Utilizing M39029 rear release crimp contacts, they ensure secure and reliable connections. Ideal for military and aerospace use, these connectors meet stringent MIL-DTL-38999 II specifications, making them a trusted choice for critical systems.