MIL-DTL-38999 Series I connectors, designated as MS27496, are high-performance electrical receptacles designed for harsh environments. Featuring a box mounting flange, these connectors offer secure and reliable crimp-type connections with bayonet coupling for easy installation. With a total of four removable male crimp contacts, each plated with durable gold, they ensure excellent conductivity and signal integrity in extreme operating conditions. Constructed with a rugged aluminum shell and available in various plating options including electroless nickel and olive drab cadmium, these connectors provide superior environmental resistance. With a wide operating temperature range from -65 °C to 175 °C, they are suitable for demanding military and industrial applications, offering a service rating of I for extended durability. The MS27496E13B4PC connectors are RoHS compliant and undergo rigorous testing to meet high-reliability standards, making them the ideal choice for critical systems in aerospace, defense, and other hi-rel industries.