The MIL-DTL-38999 Series I connectors feature a rugged design with up to 128 contacts, providing reliable connectivity in harsh environments. These connectors are environmentally sealed and can operate in temperatures ranging from -65 °C to 200 °C. Available in various shell sizes and insert arrangements, they utilize M39029 rear release crimp contacts for secure connections. With options for RoHS compliant finishes, including cadmium-free plating, these connectors offer versatility and durability. Suitable for military and industrial applications, they come in high-strength aluminum shells with bayonet coupling for easy installation. Perfect for box mounting, these receptacles ensure high performance with a mating life of 500 cycles.