The MIL-DTL-38999 Series I connectors, designated as MS27468, are high-performance electrical receptacles designed for harsh environments, featuring jam nut mounting and bayonet coupling for secure connections. With a total of 10 gold-plated removable crimp contacts (size 20), these connectors ensure reliable conductivity in extreme conditions, rated for a wide operating temperature range from -65°C to 175°C. Constructed with a rugged aluminum shell (shell size 13) and available in various finishes including electroless nickel and cadmium olive drab, they offer excellent environmental resistance. Meeting military specification MIL-DTL-38999 I, these connectors are suitable for demanding applications in aerospace, defense, and industrial sectors, with a service life of 500 mating cycles.