MIL-DTL-38999 Series I connectors are designed for harsh environments, offering up to 128 gold-plated contacts in a durable aluminum shell. With a wide operating temperature range of -65 °C to 175 °C, these circular receptacles provide reliable connectivity in extreme conditions. Available in various plating options, including RoHS-certified finishes, they ensure compatibility with diverse applications. Featuring wall-mounting flange design and bayonet coupling, they offer easy installation and secure mating. MIL-DTL-38999 I connectors are ideal for military and industrial use, with high reliability and longevity, backed by a 500-cycle mating life. Environmentally sealed and conductive, they provide excellent protection and performance for critical electronic systems.