MS27496E21B11PC is a high-performance MIL-DTL-38999 Series I connector featuring a rugged aluminum shell construction, designed for harsh environmental conditions. With a box mounting flange receptacle shell style, it offers reliable electrical connections in demanding applications. This model accommodates 12 removable crimp contacts, each plated with gold for enhanced conductivity and durability. Operating efficiently in temperatures ranging from -65°C to 175°C, it is suitable for a wide range of industries, including aerospace, defense, and telecommunications. The electroless nickel and cadmium olive drab finish coatings ensure resistance to corrosion, making it ideal for use in harsh environments. With a mating type of bayonet and a service rating of I, this connector guarantees secure and stable connections, with a mating life of 500 cycles. Its compact shell size of 21-11 and the inclusion of keyway polarization C offer easy installation and alignment. This product is not RoHS compliant, making it suitable for use in military and high-reliability applications.