MIL-DTL-38999 Series I connectors, designated as MS27466, are high-performance electrical receptacles suitable for harsh environments. Featuring a wall-mounting flange design with bayonet coupling, these connectors offer secure and reliable connections in military and aerospace applications. With a total of 56 gold-plated contacts (16 for size 8 and 20 for size 48), they ensure excellent conductivity and signal integrity. Engineered for durability, the connectors have a wide operating temperature range from -65 °C to 200 °C and meet stringent MIL-DTL-38999 I specifications for environmental resistance. Constructed with a robust aluminum shell and electroless nickel finish, they provide superior protection against corrosion and wear. Designed for male contact gender, the MS27466 connectors have a mating life of 500 cycles, making them ideal for mission-critical systems in harsh environments. With their E service class rating, they are well-suited for use in applications requiring reliable performance under demanding conditions.