MS27505E17A26SD is a high-performance MIL-DTL-38999 Series I circular connector, featuring a back panel box mounting flange for secure installation. With 26 gold-plated removable crimp contacts in a size 20 (26) arrangement, this connector ensures reliable conductivity in harsh environments. Its rugged aluminum shell, coated with electroless nickel and iridescent yellow cadmium, offers excellent corrosion resistance. Designed for military and aerospace applications, it operates flawlessly in temperatures ranging from -65 °C to 150 °C. This environment-resistant connector, with a bayonet mating style and socket contact configuration, guarantees 500 mating cycles, making it ideal for critical systems in demanding settings.