The MIL-DTL-38999 Series II connectors feature up to 128 contacts in an insert, offering robust environmental sealing for reliable performance in harsh conditions. With an operating temperature range spanning from -65 °C to 200 °C, these connectors are suitable for a wide range of applications. Available in various mounting options such as front and rear wall mount, jam nut, and box mount receptacles, they provide flexibility in installation. The connectors come in aluminum shells with a choice of plating options including electroless nickel and iridescent yellow cadmium. Utilizing M39029 rear release crimp contacts, they ensure secure and efficient connections. Gold contact plating and a removable crimp contact design further enhance conductivity and ease of maintenance. Suitable for military and industrial use, these connectors meet stringent MIL-DTL-38999 II specifications.