MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts sealed for protection. With an operating temperature range of -65 °C to 200 °C, these connectors offer reliability in extreme conditions. Available in various mounting options such as front and rear wall mount, jam nut, and box mount receptacles, they provide versatility for different applications. The connectors, made with aluminum shells and offering multiple plating options including cadmium-free finishes, ensure durability and compliance with RoHS standards. With M39029 rear release crimp contacts in various sizes, these connectors are suitable for military and industrial use, guaranteeing secure and efficient electrical connections.