The MIL-DTL-38999 Series I connectors offer durable and reliable connectivity in harsh environments. Featuring up to 128 gold-plated contacts in various sizes, these circular receptacles are designed for jam nut mounting with bayonet coupling. With a wide operating temperature range of -65 °C to 200 °C, they provide secure connections in extreme conditions. Made from high-strength aluminum with electroless nickel coating, they ensure longevity and conductivity. Meeting military specification MIL-DTL-38999 I, these connectors are ideal for applications requiring environmental resistance and high performance.