MIL-DTL-38999 Series I connectors are designed for harsh environments, featuring up to 128 gold-plated contacts in a rugged aluminum shell. With a wide operating temperature range of -65 °C to 175 °C, these circular, bayonet-coupling receptacles offer reliable connectivity in demanding applications. Available in various plating options, including RoHS-compliant finishes, they ensure optimal performance and durability. Ideal for military and industrial use, these connectors meet stringent MIL-DTL-38999 I specifications, providing excellent conductivity and environmental resistance.