MS27505E17A26S is a high-performance MIL-DTL-38999 Series I connector, designed for harsh environments with its rugged construction and environmental sealing. Featuring a back panel box mounting flange, this receptacle offers secure and reliable connectivity in military and aerospace applications. With 26 gold-plated removable crimp contacts arranged in a size 20(26) insert, it ensures excellent conductivity and signal integrity. The electroless nickel and iridescent yellow cadmium finishes provide corrosion resistance, making it suitable for a wide range of operating conditions. This RoHS non-compliant connector is rated for temperatures ranging from -65°C to 150°C, with a service life of 500 mating cycles, meeting the stringent demands of military and aerospace environments.