MIL-DTL-38999 Series II connectors are designed for rugged environments, featuring up to 128 contacts sealed for protection. With an impressive operating temperature range of -65 °C to 200 °C, they offer reliability in extreme conditions. Available in various mount types such as front and rear wall mount, jam nut, and box mount receptacles, these connectors ensure versatile connectivity. The aluminum shells come with multiple plating options, including cadmium-free finishes, meeting RoHS compliance standards. Utilizing M39029 rear release crimp contacts, they offer secure connections in sizes ranging from 22D to 12. Ideal for military and industrial applications, these connectors provide durability and performance, with a service rating of I and a mating life of 500 cycles.