MIL-DTL-38999 Series I connectors, designated as MS27505E15B97PA, are high-performance electrical receptacles designed for harsh environments. With a rugged aluminum shell and various plating options including gold, electroless nickel, and cadmium olive drab, these connectors offer exceptional durability and corrosion resistance. Featuring a box mounting flange, removable crimp contacts in sizes 16(4) and 20(8), and a bayonet mating type, they ensure secure and reliable connections in military and aerospace applications. With a maximum operating temperature of 175°C and 12 male pin contacts, they are suitable for demanding environments. This product is RoHS compliant and rated for 500 mating cycles, making it ideal for critical systems that require high reliability.